waves that have traveled out of their area of origin and have become uniform and symmetrical are known as .

Answers

Answer 1

The waves that have traveled out of their area of origin and have become uniform and symmetrical are known as spherical waves.

When a wave is generated from a point source, it initially spreads out in all directions as a series of expanding spheres. These waves are called spherical waves because the wavefronts form concentric spheres around the source. As the waves travel further away from the source, they begin to merge and overlap, and the wavefronts become more uniform and symmetrical.

Spherical waves are a fundamental concept in wave physics and are used to describe a wide range of physical phenomena, including sound waves, electromagnetic waves, and water waves. They are particularly useful in situations where the wave source is small and the distance from the source is large compared to the wavelength of the wave.

For more similar questions on waves and wave physics:

brainly.com/question/11820725

#SPJ11


Related Questions

a block slides up an incline. as it's moving up the incline, what is happening to the kinetic energy k and the gravitational potential energy ug? a. k is increasing; ug is decreasing. b. k is decreasing; ug is increasing. c. k and ug are both decreasing. d. k and ug are both increasing.

Answers

The kinetic energy k and the gravitational potential energy ug of a block sliding up an incline are both decreasing during the motion up the incline. Option C is correct .  

Energy is the capability to do work. There are two forms of energy: potential energy and kinetic energy.

Potential energy is stored energy as a result of an object's location or condition, whereas kinetic energy is the energy of motion.

The total energy of an object can be calculated as the sum of its potential and kinetic energies.

Since the block is moving up the incline, it is subjected to gravity. As a result, it must have both kinetic and potential energy.

Kinetic energy is associated with the motion of an object, while potential energy is associated with its position.

At the base of the slope, the block has a specific quantity of kinetic energy due to its motion.

It also has a specific amount of gravitational potential energy at the base of the slope since it is a certain distance above the Earth's surface.

As the block climbs the incline, it slows down due to the effect of gravity. This implies that its kinetic energy is decreasing.

At the same time, it is gaining height, which implies that its gravitational potential energy is decreasing as well. As a result, k and ug are both decreasing.

To know more about kinetic energy;https://brainly.com/question/810158

#SPJ11

g when a rocket is 7 kilometers high, it is moving vertically upward at a speed of 300 kilometers per hour. at that instant, how fast is the angle of elevation of the rocket increasing, as seen by an observer on the ground 5 kilometers from the launching pad? ( hint: the angle of elevation is the angle between the horizontal ground and the line of sight with respect to the rocket. ) when the rocket is 7 kilometers high, the angle of elevation from the observer is changing at a rate of radians per hour.

Answers

Similarly, differentiating sin θ with respect to time, we get:d(sin θ)/dt = cos θ dθ/dtOn simplification, we get:dθ/dt = -300 cos θ / (7 sin² θ)When the rocket is 7 kilometers high, the angle of elevation from the observer is changing at a rate of 0.059 radians per hour. Answer: 0.059.The angle of elevation of the rocket from the observer on the ground 5 kilometers from the launching pad when the rocket is 7 kilometers high is changing at a rate of 2π radians per hour. This can be calculated using the law of sines, where the angle of elevation (α) is the opposite angle of the triangle made between the observer, the rocket, and the ground. In this case, the two sides are 7 km for the rocket's height, and 5 km for the distance from the observer to the launchpad. Therefore, the angle of elevation (α) = arcsin(5/7) = 2π radians per hour.


Given, the height of the rocket is 7 kilometers, the speed of the rocket is 300 kilometers per hour, and the observer is 5 kilometers from the launching pad. We need to find the rate of change of the angle of elevation of the rocket at that instant.The angle of elevation is the angle between the horizontal ground and the line of sight with respect to the rocket. Let's consider the triangle formed by the observer, the rocket and the launching pad, as shown in the figure below:We have, AB = 7 km and BC = 5 km. The angle of elevation, θ = ABD.To find the rate of change of the angle of elevation of the rocket, we need to differentiate the angle of elevation with respect to time.Let's first find the value of sin θ using the right-angled triangle ABD:Sin θ = AB/AD => AD = AB/sin θAD = 7/sin θDifferentiating with respect to time, we get:d(AD)/dt = d(7/sin θ)/dtUsing the quotient rule of differentiation, we get:d(AD)/dt = -7 cos θ dθ/dt / sin² θSimilarly, differentiating sin θ with respect to time, we get:d(sin θ)/dt = cos θ dθ/dtOn simplification, we get:dθ/dt = -300 cos θ / (7 sin² θ)When the rocket is 7 kilometers high, the angle of elevation from the observer is changing at a rate of 0.059 radians per hour. Answer: 0.059.

For more such questions on angle of elevation

https://brainly.com/question/19594654

#SPJ11

The speed of propagation of a sound wave in air at 27 degrees (Celsius) is about 350 m/s. Calculate, for comparison, v(rms) for nitrogen molecules at this temperature. The molar mass of nitrogen is 28.0 g/mol.

Answers

At 27 degrees Celsius, the rms speed of nitrogen molecules is roughly 515 m/s, which is faster than the sound speed in air.

How come we figure out rms velocity?

The square root of the average of the square of the velocity is the root mean square velocity. It has velocity units as a result. As the particles in a typical gas sample are flowing in all directions, the average velocity for that sample is zero, which is why we use the rms velocity instead of the average.

The following formula determines a gas molecule's root mean square (rms) speed: v(rms) = √(3kT/m)

where T is the temperature in Kelvin, m is the molar mass of the gas in kg/mol, and k is Boltzmann's constant (1.38 10-23 J/K).

We must change the molar mass from g/mol to kg/mol in order to determine the rms speed of nitrogen molecules at 27 °C (300 °F):

m = 28.0 g/mol / 1000 g/kg = 0.028 kg/mol

Now we can plug in the values and solve for v(rms):

v(rms) = √(3kT/m)

v(rms) = √(3 × 1.38 × 10^-23 J/K × 300 K / 0.028 kg/mol)

v(rms) = 515 m/s (rounded to three significant figures)

To know more about velocity visit:-

https://brainly.com/question/17127206

#SPJ1

A woman on a bicycle traveling at 10 m/s on a horizontal road stops pedaling as she starts up a hill inclined at 4. 0º to the horizontal. If friction forces are ignored, how far along the hill does she travel before stopping?

Answers

The hill does she travel before stopping is 97.5 m far along.

Apply law of conservation of energy.

Initial energy = Final energy

[tex]1/2 mv^2 = mgh[/tex]

Here, m is the mass, u is the velocity, 9 is the gravitational acceleration, and his the height upto which woman will incline on the hill.

Rearrange the above equation for h.

[tex]h=v^2/ 2g[/tex]

[tex]h = (10m/s)^2 / 2(9.8m/s2)\\h = 5.102m[/tex]

This is the vertical height from the ground. Now, calculate the slant height of this point.

l = h / sin3°

l = 5.102m /  sin3°

= 97.5m

The law of conservation of energy means that the total amount of energy in a closed system remains constant over time, regardless of the transformations or transfers that occur within the system. This law is based on the principle of the first law of thermodynamics, which states that the total energy of a system and its surroundings is always conserved.

It has been experimentally verified in a wide range of physical phenomena, including chemical reactions, nuclear reactions, and mechanical processes. The law of conservation of energy has profound implications for our understanding of the physical world. It implies that energy is a fundamental quantity that is conserved in all physical processes, and it forms the basis of many important theories in physics and engineering.

To learn more about Law of conservation of energy visit here:

brainly.com/question/29775341

#SPJ4

you are using a 1 cir pump which is producing 7.2 gal/min. the pump's shaft is being turned at 1,804 rpm. what is the volumetric efficiency of the pump (as a decimal)?

Answers

The Volumetric efficiency of the pump is the ratio of the actual capacity to the theoretical capacity of the pump.

Volumetric efficiency of the pump = Actual capacity of the pump / Theoretical capacity of the pump

Given Information

The provided information is,

1 cir pumpCapacity of the pump = 7.2 gal/minSpeed of the shaft = 1804 rpm

Find

Volumetric efficiency of the pump

The theoretical capacity of the pump is given by the following formula,

Theoretical capacity of the pump = π/4 x d² x l x n

where:

π = 3.14d = diameter of the pump l = length of the pump n = speed of the pump

For the given problem,

Theoretical capacity of the pump = π/4 x d² x l x nπ = 3.14d = ?l = ?n = 1804 rpm

We need to find the diameter of the pump and length of the pump to calculate the theoretical capacity of the pump.

Now, we have the actual capacity of the pump.

Actual capacity of the pump = 7.2 gal/min = 7.2 x 0.13368 m³/min = 0.962496 m³/minVolumetric efficiency of the pump = Actual capacity of the pump / Theoretical capacity of the pump

As we don't have the diameter and length of the pump, it is impossible to calculate the theoretical capacity of the pump.

Hence, the Volumetric efficiency of the pump cannot be calculated.

Learn more about Volumetric efficiency: https://brainly.com/question/14783214

#SPJ11

measurements on an experimental thermal reactor show that, forevery 100 neutrons emitted in fission, 10 escape while slowing downand 15 escape after having slowed down to thermal energies. neutrons are absorbed within the reactor while slowing down. of those neutrons absorbed at thermal energies, 60% are absorbed infission material What is the multiplication factor of the reactor at the time these observations are made? Suppose the thermal leakage is reduced by one third. How would this change the value of k?

Answers

The multiplication factor, k of the reactor at the time of the observations is 0.87. If the thermal leakage is reduced by one-third, the value of k would increase to 1.87.


To calculate the multiplication factor, we can use the following equation:

k = (1-nf - nt)/nt,

where nf is the fraction of neutrons emitted in fission that escape while slowing down, nt is the fraction of neutrons that escape after having slowed down to thermal energies, and nt is the fraction of neutrons absorbed in the reactor while slowing down.

Given that nf = 0.1, nt = 0.15, and nt = 0.6, we can calculate the multiplication factor, k, as follows:

k = (1 - 0.1 - 0.15)/0.6

k = 0.87

Therefore, the multiplication factor of the reactor at the time these observations are made is 0.87. If the thermal leakage is reduced by one-third, the value of k would increase to 1.87.

Learn more about the reactor at https://brainly.com/question/29835028

#SPJ11

Leonardo da Vinci (1452-1519) is credited with being the first to perform quantitative experiments on friction, though his results weren't known until centuries later, due in part to the secret code (mirror writing) he used in his notebooks. Leonardo would place a block of wood on an inclined plane and measure the angle at which the block begins to slide. He reports that the coefficient of static friction was 0. 22 his experiments.

At what angle did Leonardo’s blocks begin to slide?

Answers

The angle of repose or the angle of friction is the angle at which the block starts to slide down the inclined plane. By balancing the forces operating on the block along the inclination, it may be calculated.

The gravitational force (mg) acting downhill and the normal force (N) acting perpendicular to the inclination are the forces acting on the block. The gravitational force component perpendicular to the inclination, which is calculated as mg cos, where is the angle of the incline, and the normal force are identical in magnitude.

The block can have a maximum static friction force (Ff) applied to it without it sliding down the incline if:

Ff = μs N

where s is the static friction coefficient.

The amount of the frictional force is equal to the component of the gravitational force parallel to the inclination, which is mg sin, at the instant the block just starts to slide.

learn more about angle here:

https://brainly.com/question/28451077

#SPJ4

interpreting data if the input force is the same for each type of pulley in the graph, which pulley has the greatest output force? explain your answer.

Answers

If the input force is the same for each type of pulley in the graph, then the pulley with the greatest output force is the one with the highest slope or gradient. This is because the slope or gradient of the line represents the mechanical advantage of the pulley system.

What is a pulley system?

A pulley system is a type of simple machine that is used to make lifting heavy objects easier. It consists of a wheel with a groove in which a rope or chain can run. When force is applied to one end of the rope, the other end moves in the opposite direction, causing the object to move as well.

There are three types of pulleys: fixed, movable, and compound.

Fixed pulleys have a fixed axle and do not move, while movable pulleys have a movable axle and move with the load. Compound pulleys are a combination of fixed and movable pulleys and can provide a greater mechanical advantage.

The mechanical advantage of a pulley system is calculated by dividing the output force by the input force. A pulley system with a higher mechanical advantage will require less input force to lift a given load than a pulley system with a lower mechanical advantage. This is why pulleys are used in many different types of machines, including cranes, elevators, and escalators.

In conclusion, if the input force is the same for each type of pulley in the graph, then the pulley with the greatest output force is the one with the highest slope or gradient.

Learn more about pulley system: https://brainly.com/question/16355111

#SPJ11

2526-kg elevator moves with a downward acceleration of 2.00 m/s2. what is the tension in the cable that supports the elevator? assume the elevator is supported by a single cable. forces exerted by the guide rails and air resistance is negligible

Answers

The tension in the cable that supports the elevator (2526-kg moves with a downward acceleration of 2.00 m/s²2) is 25,171 N.


To determine the tension in the cable, use the equation:

T = ma + Fg
Mass of the elevator, m = 2526 kg
Downward acceleration of the elevator, a = 2.00 m/s²
Force due to gravity, Fg = mg
= 2526 kg × 9.8 m/s²
= 24794.8 N (upwards)
The tension in the cable that supports the elevator is T.
Using Newton's second law of motion,

F = ma
Net force acting on the elevator,

F = T - Fg
= T - 24794.8 N
Therefore, T - 24794.8 N = ma
T = ma + Fg
= (2526 kg × 2.00 m/s²) + 24794.8 N
= 25,171 N
Therefore, the tension in the cable that supports the elevator is 25,171 N.

Learn more about tension here: https://brainly.com/question/29800221

#SPJ11

Two planets A and B, where B has twice the mass of A, orbit the Sun in circular orbits. The radius of the circular orbit of planet B is two times the radius of the circular orbit of planet A. What Is the ratio of the orbital period of planet B to that of planet A? T_B/T_A = 2 T_B/T_A = Squareroot 1/8 T_B/T_A = Squareroot 2 T_B/T_A = 1 T_B/T_A = 1/2 T_B/T_A = Squareroot 8 T_B/T_A = 1/8 T_B/T_A = 1/4

Answers

The ratio of the orbital period of planet B to that of planet A is T_B/T_A = Squareroot 8.

What are planets?

A planet is an astronomical object that orbits a star and does not produce its own light. The vast majority of the thousands of objects we call planets orbit a star in our Solar System. This specific system includes the sun and the eight planets that orbit around it.

Two planets A and B, where B has twice the mass of A, orbit the Sun in circular orbits. The radius of the circular orbit of planet B is two times the radius of the circular orbit of planet A. The formula for calculating the time period of a circular orbit is:

T = (2πr) / v

where, r = radius, v = velocity

For circular orbits, T ∝ (r³/²)

Therefore, T_B/T_A = (r_B³/²) / (r_A³/²)T_B/T_A = (2³/²) / 1³/2T_B/T_A = (square root 8)/1T_B/T_A = Squareroot 8.

Therefore, the ratio of the orbital period of planet B to that of planet A is T_B/T_A = Squareroot 8.

Learn more about Orbital period here:

https://brainly.com/question/14494804

#SPJ11

To go from a lower level in an atom to a higher level, an electron must give off a photon of energy lose its electric charge absorb a photon of energy wait until the atom has changed into another atom with more protons get a permission slip from Niels Bohr

Answers

An electron must absorb a photon of energy in order to go up an atom's levels. The electron gains energy as a result and jumps to a higher energy level.

An electron in an atom must absorb a photon of energy equal to the energy difference between the two levels in order to go from one level of energy to another. Excitation is the term for this action. The electron is elevated to a higher energy level after absorbing the photon. The electron will swiftly revert to its initial energy level, producing a photon with an energy equal to the difference between the two levels, as this is an unstable condition. A photon is released as a result of this procedure, which is also known as de-excitation or relaxation. Instruments that can detect this photon can be used to examine the energy levels of atoms.

learn more about electron here:

https://brainly.com/question/1255220

#SPJ4

what happens after the helium flash in the core of a star?

Answers

After the helium flash in a star, the core quickly heats up and expands.

A helium flash is the very brief thermal runaway nuclear fusion of significant amounts of helium into carbon during the red giant phase of low mass stars (between 0.8 solar masses (M) and 2.0 M). The centre expands as a result of the core becoming warmer as a result of this.

Following the onset of helium nuclear reactions in a star's core, helium nuclei fuse to create carbon and oxygen.

Most of the time, the stars' positions in reference to one another remain constant. Convergence between Orion and Taurus is ongoing. Ursa Minor is never far from Draco. The stars appear to us as an endless backdrop painting in the sky that hardly moves in reference to one another.

To know more about stars:

https://brainly.com/question/29572549

#SPJ4

Terri Vogel, an amateur motorcycle racer, averages 129.77 seconds per 2.5 mile lap (in a 7 lap race) with a standard deviation of 2.26 seconds. The distribution of her race times is normally distributed. We are interested in one of her randomly selected laps. (Source: log book of Terri Vogel) Let X be the number of seconds for a randomly selected lap. Round all answers to 4 decimal places where possible. a. What is the distribution of X?X−N(___________, _________). b. Find the proportion of her laps that are completed between 131.69 and 134.04 seconds________
.c. The fastest 4% of laps are under__________seconds.
d. The middle 70% of her laps are from seconds________ to_________ seconds.

Answers

a) The distribution of X: X-N(129.77,2.26),

b) the proportion of her laps that are completed between 131.69 and 134.04 seconds 0.1670,

c) the fastest 4% of laps are under 126.1965 seconds,

d) the middle 70% of her laps are from seconds 127.5323 to 131.0277 seconds.

a. The distribution of X is the normal distribution with a mean of 129.77 seconds and a standard deviation of 2.26 seconds. Therefore, the distribution of X is X - N(129.77, 2.26).

b. The area between 131.69 and 134.04 seconds under a standard normal curve is found using the standard normal table P (1.05) = 0.8531P (1.71) = 0.9564

Therefore, the proportion of laps completed between 131.69 and 134.04 seconds is

P(131.69 ≤ X ≤ 134.04) = P[(131.69 - 129.77)/2.26 ≤ Z ≤ (134.04 - 129.77)/2.26]

= P(0.8496 ≤ Z ≤ 1.8814) = P(Z ≤ 1.8814) - P(Z ≤ 0.8496)

= 0.9693 - 0.8023

= 0.1670

Therefore, the proportion of laps that are completed between 131.69 and 134.04 seconds is 0.1670.

c. The value corresponding to the lowest 4% is found: P (z) = 0.04. The value of z corresponding to the lowest 4% is obtained as follows:

z = P−1(0.04) = -1.7507

So, the number of seconds that the fastest 4% of laps are under is:

x = μ + zσ = 129.77 - (1.7507)(2.26)

= 126.1965

Therefore, the fastest 4% of laps are under 126.1965 seconds.

d. We know that z corresponding to the lowest 15% is -1.036 and that z corresponding to the highest 15% is 1.036.

Therefore, the interval in which the central 70 percent of laps lies is z = -1.036, 1.036

z = P(X) - P(X) = P(z ≤ X) - P(z ≤ X) = P(z ≤ -1.036) - P(z ≤ 1.036)

= 0.1492 - 0.8513

= -0.7021

So, the number of seconds that the middle 70% of her laps are from is given by:

x = μ + zσ = 129.77 + (-0.7021)(2.26) = 127.5323 and

x = μ + zσ = 129.77 + (0.7021)(2.26) = 131.0277

Therefore, the middle 70% of her laps are from seconds 127.5323 to 131.0277 seconds.

Learn more about normal distribution here:

https://brainly.com/question/4079902

#SPJ11

a chemist determines by measurements that 0.035 moles of nitrogen gas participate in a chemical reaction. calculate the mass of nitrogen gas that participates. be sure your answer has the correct number of significant digits.

Answers

The mass of nitrogen gas that participates in the chemical reaction is 0.980 grams.

To calculate the mass of nitrogen gas that participates, we need to use the molar mass of nitrogen gas (N₂), which is approximately 28 grams per mole. We can use the following equation to relate moles and mass:

mass = moles x molar mass

So, the mass of nitrogen gas that participates is:

mass = 0.035 moles x 28 g/mol = 0.98 g

We need to round our answer to the correct number of significant digits, which is determined by the least precise measurement in the problem. Since we are given the number of moles to only three significant digits, our final answer should also have three significant digits. Therefore, the mass of nitrogen gas that participates is:

mass = 0.980 g (rounded to three significant digits)

Learn more about molar mass:

https://brainly.com/question/24191825

#SPJ11

A body in a room at 300 k is heated to 3,000k. The amount of energy radiated each second by the body increases by a factor of:
a) 10
b) 100
c) 1,000
d) 10,000
e) 100,000

Answers

The amount of energy radiated each second by the body increases by a factor of 10000 (option D)

How do i determine the factor of increase of the energy per second?

To determine the factor in which the amount of energy radiated per second increases, we shall determine the energy per second at 3000 K. Details below:

Initial temperature (T₁) = 300 KInitial energy per second (P₁) = PFinal temperature (T₂) = 3000 KFinal energy per second (P₂) = ?

P₁ / T₁⁴ = P₂ / T₂⁴

P / 300⁴ = P₂ / 3000⁴

Cross multiply

300⁴ × P₂ = P × 3000⁴

Divide both sides by 300⁴

P₂ = (P × 3000⁴) / 300⁴

P₂ = P × 10000

From the above calculation, we can see that the energy per second at 3000 K, is 10000 times the energy per second at 300 K.

Therefore, we can conclude that the energy radiated increase by a factor of 10000 (option D)

Learn more about energy radiation:

https://brainly.com/question/24144494

#SPJ1

A gymnast balancing on a beam will put her arms out. Why does this help?

Answers

By keeping their centre of gravity over the beam, a gymnast may balance himself. The gymnast increases their moment of inertia, or resistance to rotational motion, by spreading their arms out to the sides, making it harder to unintentionally tilt or spin. As a result, their body is more stable, aiding in balance maintenance. Moreover, the centre of mass can be slightly adjusted with the arm movements to make up for any minor deviations from the equilibrium position. The gymnast can also orient oneself in relation to the beam using the visual clues provided by the arms. Overall, while balancing on a beam, a gymnast can gain various advantages from extending their arms to the side, including increased stability and many more.

astronauts need to endure an acceleration 7 times of erath's gravitational acceleration. if one would want to train for this by using a rotational device witha. raidus of 12 m what period must be obtained

Answers

The period that must be obtained is approximately 1.76 seconds.

To determine the period that must be obtained for the training, we can use the formula for centripetal acceleration:

a = v²/r

where v is the tangential velocity and r is the radius.

The formula for the velocity of a rotating object is:

v = 2πr/T

where v is tangential velocity, π is the constant pi, and T is the rotation period.

Substituting v into the centripetal acceleration equation yields:

a = (2πr/T)²/r

The equation simplifies to

a = 4π²r/T²

The centripetal acceleration required by an astronaut is seven times greater than the gravitational acceleration on Earth. Setting these equal and solving for T gives:

T = √(4π²r/7a)

T = √(4π²(12 m)/(7*9.81 m/s²))

T ≈ 1.76 seconds

Therefore, an astronaut training for an acceleration of seven times that of the Earth's gravitational acceleration using a rotational device with a radius of 12 m must rotate for a period of 1.76 seconds.

Learn more about centripetal acceleration here: https://brainly.com/question/79801.

#SPJ11

about 1% of planetary systems can be detected using the transit technique. imagine that you studied a group of 10,000 stars for many years, watching for them to dip in brightness. after a long survey, you have discovered 10 planetary systems - stars with planets orbiting them. in this imaginary scenario, what fraction of stars have planets?

Answers

Among the original group of 10,000 stars, approximately 100 stars have planets.

The following data has been given about planetary systems using the transit technique: about 1% of planetary systems can be detected using the transit technique. Imagine that you studied a group of 10,000 stars for many years, watching for them to dip in brightness.

After a long survey, you have discovered 10 planetary systems - stars with planets orbiting them.

The proportion of planetary systems that can be discovered using the transit technique is 1%.The planetary system detected: 10 planets out of 10,000 stars

Among the original group of 10,000 stars, we can estimate that 1% of the stars actually have planets, based on the proportion of the planetary systems that can be detected using the transit technique.

Therefore, the estimated number of stars with planets will be: 1/10 * 10000

= 100

Thus, an estimated 100 stars out of the 10,000 that were observed may have planets.

Learn more about planetary system here: https://brainly.com/question/28430876

#SPJ11

Which type of energy is stored in an elastic material stretched by a force

Answers

Potential energy is stored in the elastic material when we stretch it by some distance.

The energy stored when a force is used to deform an elastic object is called elastic potential energy. The energy is conserved until the force is released and the object returns to its original shape, doing work in the process. Objects can be compressed, stretched, or twisted when deformed.

Elastic material produces elasticity when stretched or compressed. The more the material is crushed or stretched, the greater this force.

Springs have many applications, including bed springs.

To know more about potential energy, visit,

https://brainly.com/question/14427111

#SPJ4

a mass of 0.3 kg hangs motionless from a vertical spring whose length is 1.08 m and whose unstretched length is 0.42 m. next the mass is pulled down to where the spring has a length of 1.21 m and given an initial speed upwards of 1.2 m/s. what is the maximum length of the spring during the motion that follows?

Answers

The maximum length of the spring (Lmax) is about 1.25 meters.

What is the maximum length of spring?

To calculate the maximum length of the spring during the motion that follows, we can use the following equation:

Lmax = L₀ + (mv²) / (2k)

where L₀ is the unstretched length of the spring, m is the mass of the object, v is the initial velocity, and k is the spring constant. In this case, L₀ = 0.42 m, m = 0.3 kg, v = 1.2 m/s, and k = 39 N/m.

The maximum length of the spring is:

Lmax = 0.42 + (0.3 × (1.2)²) / (2 × 39) = 1.25 meters

Therefore, the maximum length of the spring during motion is 1.25 meters.

Learn more about Spring here:

https://brainly.com/question/14670501

#SPJ11

find the distance d so that the vertical reaction under the front wheels (point b) is 300lb due to the three forces shown. the cart is being towed at a constant velocity

Answers

The distance d so that the vertical reaction under the front wheels (point b) is 300lb due to the three force is equal to 200 ft. To find the distance d, we need to use the principle of equilibrium, which states that the sum of the forces acting on an object is zero if it is in a state of equilibrium. In this case, we can consider the cart as the object in question, and we need to find the distance d so that the vertical reaction force at point B is 300lb.

The distance d so that the vertical reaction under the front wheels (point b) is 300lb due to the three forces is equal to the perpendicular distance between the two vectors of the forces, which can be calculated using the dot product formula.


The dot product of two vectors can be calculated using the formula:

d = ((F1x × F2x) + (F1y × F2y))/|F2|


Where F1 and F2 are the two forces, F1x and F1y are the x and y components of F1, and F2x and F2y are the x and y components of F2. |F2| is the magnitude of F2.


By plugging in the x and y components of the forces, we can calculate the distance d:

d = ((-50 × 200) + (400 × 300))/500 = 200 ft


Therefore, the distance d so that the vertical reaction under the front wheels (point b) is 300lb due to the three forces is equal to 200 ft.

For such more questions on force

https://brainly.com/question/15251816

#SPJ11

Assume the motions and currents mentioned are along the x axis and fields are in the y direction.
(a) Does an electric field exert a force on a stationary charged object?
YesNo
(b) Does a magnetic field do so?
YesNo
(c) Does an electric field exert a force on a moving charged object?
YesNo
(d) Does a magnetic field do so?
YesNo
(e) Does an electric field exert a force on a straight current-carrying wire?
YesNo
(f) Does a magnetic field do so?
YesNo
(g) Does an electric field exert a force on a beam of moving electrons?
YesNo
(h) Does a magnetic field do so?
YesNo

Answers

(a) Yes, an electric field can exert a force on a stationary charged object. A stationary charged object will experience a force in the direction of the electric field due to the Coulombic interaction between the charges.

(b) No, a magnetic field does not exert a force on a stationary charged object. A stationary charged object does not experience a force due to a magnetic field unless it is moving.

(c) Yes, an electric field can exert a force on a moving charged object. A moving charged object will experience a force perpendicular to its velocity and the electric field direction, known as the Lorentz force.

(d) Yes, a magnetic field can exert a force on a moving charged object. A moving charged object in a magnetic field will experience a force perpendicular to both its velocity and the magnetic field direction, also known as the Lorentz force.

(e) Yes, an electric field can exert a force on a straight current-carrying wire. The electric field exerts a force on the charges in the wire, causing them to move, which results in a net force on the wire.

(f) Yes, a magnetic field can exert a force on a straight current-carrying wire. The magnetic field exerts a force on the moving charges in the wire, resulting in a net force on the wire.

(g) Yes, an electric field can exert a force on a beam of moving electrons. The electric field exerts a force on the electrons, causing them to accelerate or decelerate depending on the direction of the field.

(h) Yes, a magnetic field can exert a force on a beam of moving electrons. The magnetic field exerts a force on the moving electrons, causing them to experience a deflecting force perpendicular to their velocity and the magnetic field direction.

To learn more about electric field refer to:

brainly.com/question/15800304

#SPJ4

Complete the following sentence.
A diameter is also a...

Answers

Answer:

A diameter is also a double of radius

A diameter is also a chord

At temperatures of a few hundred kelvins the specific heat capacity of copper approximately follows the empirical formula c=α+βT+δT−2c=α+βT+δT−2, where α=349J/kg⋅K,β=0.107J/kg⋅K2α=349J/kg⋅K,β=0.107J/kg⋅K2, and δ=4.58×105J⋅kg⋅Kδ=4.58×105J⋅kg⋅K. How much heat is needed to raise the temperature of a 2.00-kg piece of copper from 20∘C to 250∘C20∘C to 250∘C?

Answers

The amount of heat required to raise a 2.0 kg piece of copper from [tex]20^\circ C[/tex] to [tex]250^\circ C[/tex] using the formula [tex]c = \alpha + \beta T + \delta T^{-2}[/tex] is  [tex]1.96 \times 10^{8} J[/tex].

The formula for computing the amount of heat that is required to raise the temperature of an object is expressed as:
Q = mc∆T
Where:
Q: the amount of heat needed in joules
m: the mass of the substance in kilograms
c: the specific heat capacity of the substance in joules per kilogram per kelvin
∆T: the change in temperature in kelvin

We can use the equation to calculate the amount of heat needed to raise the temperature of a 2.00-kg piece of copper from 20∘C to 250∘C. However, it's important to note that we need to first convert the given temperatures from Celsius to Kelvin.

[tex]20^\circ C + 273 = 293 K[/tex] (Initial temperature)

[tex]250^\circ C + 273 = 523 \ K[/tex] (Final temperature)

We can now substitute the values into the formula, Q = mc∆T to get the amount of heat required.

[tex]Q = mc\Delta T[/tex]

[tex]Q = (2.00 \ kg) (\alpha + \beta T + \delta T^{-2}) (\Delta T)[/tex]

[tex]Q = 2.00 kg (\alpha\Delta T + \beta \Delta T^2 + \delta \Delta T^3)[/tex]

[tex]Q = 2.00 kg [(\alpha(523 \ K - 293 \ K) + \beta (523 K^2 - 293\ K^2) + \delta(523 \ K^3 - 293 \ K^3)][/tex]

[tex]Q=2.00 kg [(349 J/kgK \times 230\ K) + (0.107 J/kgK^2 \times 230 K^2) + (4.58 \times 10^5 JkgK \times 230 K^3)][/tex]

[tex]Q = 2.00\ kg [80270\ J + 24.61\ J + 9.8 \times 10^{7} \ J][/tex]
[tex]Q = 1.96 \times 10^{8} J[/tex]
Therefore, the amount of heat that is required to raise a 2.00-kg piece of copper from [tex]20^\circ C[/tex] to 250° C is [tex]1.96 \times 10^{8} J[/tex].

Learn more about heat:

https://brainly.com/question/934320

#SPJ11

the largest optical telescopes in the world are reflecting telescopes, because it is difficult to make a refractor (lens) telescope larger than about 1 m in diameter. it is difficult because . (select all that apply.)

Answers

It is difficult to make a refractor (lens) telescope larger than about 1 m in diameter because the larger the lens, the more light it has to bend and the more glass must be used; the glass must be supported in a very precise way to ensure a good image; and manufacturing and assembly errors become more common with increasing size.

There is a limit to the maximum size of a glass lens, and as the size of the lens increases, so does its weight. If the weight is too great, the lens will deform under its own weight, causing distortion in the image.Conversely, the mirrors used in reflecting telescopes are supported from behind, allowing them to be much larger and still maintain their shape.

The Hubble Space Telescope is an example of a reflecting telescope, and it has a mirror diameter of 2.4 meters.In addition to the size limitation, there are other issues with lenses, such as chromatic aberration, which occurs when the different colors of light refract at slightly different angles, causing distortion in the image. Mirrors do not suffer from this issue. The correct answer is that it is difficult to make a refractor (lens) telescope larger than about 1 m in diameter because the glass lens has a limit to its maximum size and weight, which can cause deformation in the image.

More on optical telescopes: https://brainly.com/question/22969863

#SPJ11

When Joselyn went to the store she bought 2.7kg of salt water taffy. What would Joselyn do to find out how many grams she bought?A. Divide by 1000B. Multiply by 1000C. Divide by 100D. Multiply by 100

Answers

At the shop, Joselyn purchased 2700 grammes of salt water taffy.

To convert kilograms (kg) to grams (g), Joselyn would need to multiply the weight in kilograms by 1000. This is because there are 1000 grams in 1 kilogram. Therefore, to find out how many grams of salt water taffy Joselyn bought, she would need to multiply 2.7kg by 1000.

The correct answer is (B) Multiply by 1000.

Multiplying 2.7kg by 1000 gives:

2.7kg x 1000 = 2700g

So Joselyn bought 2700 grams of salt water taffy at the store.

To learn more about salt water refer to:

brainly.com/question/6829606

#SPJ4

When you shine a laser with unknown wavelength through a diffraction grating with 1000 slits/mm, you observe the m=1bright fringe on the screen with an angle of 26 degrees away from the center of the grating. What is the wavelength of your laser?

Answers

The wavelength of the laser is 0.4464 mm.

The equation for the diffraction grating is given as:

dsinθ = mλ

where d is the distance between the slits (in meters), θ is the angle between the central maximum and the mth bright fringe (in radians), m is the order of the bright fringe, and λ is the wavelength of the light (in meters).

The equation to calculate the wavelength of a laser is λ = d × sin θ/m, where d is the distance between two adjacent slits on the diffraction grating (in this case, 1000 slits/mm, which is equivalent to 1 mm), θ is the angle of the fringe relative to the central axis (in this case, 26 degrees), and m is the order of the fringe (in this case, m=1). Therefore, plugging in the values:



λ = 1 mm × sin 26°/1 = 0.4464 mm



The wavelength of the laser is 0.4464 mm.

For more such questions on wavelength

https://brainly.com/question/3586932

#SPJ11

Does high air pressure mean high humidity?

Answers

Answer:

Explanation:

What type of repetitions are completed with an intentionally reduced range of motion?

2. The hummingbird makes a humming sound with its wings, which beat with a frequency of 90.0 Hz. Suppose a mass is attached to a spring with a spring constant of 2.50 x 10² N/m. How large is the mass if its oscilla- tion frequency is 3.00 x 10 times that of a hummingbird's wings?​

Answers

A mass on a spring will oscillate with such a period if it is coupled to a spring of spring constant k. (T). T = 2(m/k) describes this. The frequency of the oscillation would be = k/M.

What is the formula for calculating mass?

By summing the masses of the each individual atom inside the compound's formula, the formula mass is determined. The ions can be regarded as atoms for the purposes of determining the formula mass since a valid formula was neutral (when no net electron gained or lost).

How can you determine the mass's  frequency?

Imagine a spring with an unstretched length l, a spring constant of k, and a mass M dangling from it. The resonant frequency would be k/M if the spring's mass were ignored. According to the rule that was cited, the impact of the spring masses would be to change M in the equation for to M + m/3.

To know more about oscillate visit:

https://brainly.com/question/9820984

#SPJ1

A 14cm diameter champagne bottle rests on its side on top of a frictionless table. Suddenly, the cork pops and the bottle slides backward for a distance of 22.0 cm in 0.44s. If the mass of the bottle is 500 times the mass of the cork, find the distance from the original position the cork will land on the table.

Answers

The distance the cork will land on the table is [tex]d = 30 m[/tex]. If the mass of the bottle is 500 times the mass of the cork.

First, we need the initial velocity of the bottle is:

Using [tex]d = vt[/tex]

[tex](0.22) = (v)*(0.44)\\v = 0.5\ m/s[/tex]

Then, using the conservation of momentum, we can find the velocity of the cork

[tex]mv (bottle) = mv (cork)\\(500)*(0.1) = m(v)\\v = 250\ m/s[/tex]

Now, where the cork lands.  It starts at a vertical height of 7 cm  (the radius of the bottle and will hit the table somewhere, that is what we need to find.  Where it bounces first)

Since the cork has no initial y velocity, we can find the time it would take for it to drop 7 cm.

[tex]d = v_{o}t + 0.5at^{2}\\0.07 = (0) + (0.5)*(9.8)*(t_2)\\t = 0.120 sec[/tex]

Then, using d = vt, we can find the horizontal distance it flies in that amount of time is:

[tex]d = (250)*(0.12)\\d = 30 m[/tex]

Therefore, the distance the cork will land on the table is [tex]d = 30 m[/tex].

To know more about the distance:

https://brainly.com/question/33716087

#SPJ12

Other Questions
What is the average rate of change betweenthe points (17, 5) and (19, --1)? Distinguish between the following terms that relates to entrepreneurship. e-business identify the daily individual income that the united nations defines as living in poverty. Polar air is often described as dry even though the relative humidity is high. This is because in polar regions a the dew point and air temperature are normally close together Ob. there is a large separation between dew point and air temperature c. the air has a high absolute humidity Od there is a high dew point temperature 3. Laws, policies, and their associated penalties only provide deterrence if three conditions are present. List and describe them.The three conditions due to which Laws, policies, and their associated penalties only provide deterrence are:Fear of penaltyProbability of being apprehendedProbability of a penalty being applied I need help with this A customer A LTD buys goods on credit from C LTD every month.On 20 January 2022 A LTD bought 200 cases with 10*20kg rice at a cost of $40 per case on credit. Draw up a purchase invoice for A ltd Which formatting flag indicates that the floating-point values should be output with a thousands separator? aplus (+). b. minus ( e. comma (.) d period (). Using a switch Statement to Count A, B, C, D and F Grades which best describes timbuktu? responses a.the ancient homeland of the people of ghana b.the ancient homeland of the people of ghana a center of islamic learning in africa c. a center of islamic learning in africa d.the city to which muslims make the hajj e.the city to which muslims make the hajj a farming village on the niger river in west africa find the general solution of the following differential equation: y/ = (36x y)^2 explain in 150 words if the amount of ending inventory is overstated, the amount ofA. net income will be understated.B. liabilities will be overstated.C. cost of goods sold will be understated.D. cash flow from operating activities will be overstated. a large factory bought a new machine, and their semiannual payments are $6,000. they made a down payment of $10,000. if their credit union charges 6.23% per year compounded semiannually for 7 years, what was the purchase price of the machine? For each of the following circuits, derive the impulse response, h(t). Here, the output and input for each circuit are. a) output: i; input: lin b) output: ve input: Vin c) output: i; input: In First, compute the step response of the circuit based on the input and output specified above and then differentiating the result. In all cases, assume that all initial conditions are zero, i.e., the circuit is at rest. For the circuit in part (c), assume it is critically damped. lan 400 Vout H Vout 3 (c) + X(0)- Tout (b) Michelle, an infant, is looking intently at her mother as she sings her a song. Which of the following best describes what Michelle is demonstrating?Attention Specific inhibitors of dyneins have yet to be discovered. When they are discovered, how would they most likely affect cells?Decrease contraction of skeletal muscleIncrease cell sizeReduce retrograde transport of endosomesDecrease pseudopod formation in amoeboid cells such as white blood cells Does electronegativity increase as atomic radius increases? are the statements equivalent? "the number x is greater than 5 by 3" and x -3=5 net exports might be a negative amount if multiple choice 3 americans spend more on imports than foreign countries spend on american exports. americans spend less on imports than foreign countries spend on american exports. Before You BeginChoose one of the Civil War topics listed below. Using the library and the Internet, find one research source about the topic. Your source should be at least five hundred words in length, or, if you select a print source, at least four to five pages.Choose one topic:a major Civil War battleCivil War munitions and uniformsthe Emancipation Proclamationthe Gettysburg AddressAfter you find your source, you should meet with your teacher to get it approved before moving on to the next step.Good readers rely on a set of skills to help them understand a text. You can use these strategies as you read the research source about the Civil War.If possible, print a version of the text that you can write on. It is helpful to highlight key points and make notes in the margins. This strategy is called annotating.When you find words or phrases that you do not know, do not skip over them. There is a series of steps you can take to understand the meaning of these words and phrases, so that you do not miss out on key ideas.Context clues: Look at the words before and after the unknown word or phrase. Using the surrounding text, or context, can you find any clues to the meaning of the unknown word?Using a dictionary: To find the specific meaning of a word, including helpful information like part of speech, word origin, and multiple meanings, you can use a dictionary. There are both print and online dictionaries available.Using an encyclopedia: Some words or phrases may have an important historical or contextual meaning behind them, especially in a social studies or history text. In this case, an encyclopedia is an excellent resource. For example, you would not want to simply use a dictionary to look up George Washington; in fact, an encyclopedia would provide you with a clearer meaning.After annotating the text, go back and read the text one more time. You might notice new details that you missed the first time.After you have finished reading the text a second time and have defined any unknown words, jot down some notes about the key points or ideas. It can be helpful to write a quick summary of the source in order to prepare you for your next step: writing a report.DirectionsChoose one Civil War topic from the list below. Research your topic using the library and the Internet. Then, write a report of at least four hundred words.a major Civil War battleCivil War munitions and uniformsthe Emancipation Proclamationthe Gettysburg AddressMake sure you correctly cite your research source or sources in your writing. Select the one response below that would NOT result from a drug that blocks histamine receptors in the cells lining the stomacha. It would raise the pH of the stomachb. It would cause the release of secretin and cholecystokininc. It would lower the activity of parietal cellsd. It would reduce the symptoms of heartburn