A sinusoidal wave of frequency 710 Hz has a speed of 360 m/s. (a) How far apart are two points that differ in phase by π/2 rad? (b) What is the phase difference between two displacements at a certain point at times 4.00 ms apart?

Answer:

Explanation:

Potential energy means the energy of a material when it is not moving.

Ep= mgh

That's going to depend on the height of the ball above ground, and the amount of charge on the ball.

Sadly, you haven't shared either quantity with us.

According to the given data the acceleration of each car is a) 3.0 m/^s b) 4.0 m/s^2 c) -3.0 m/s^2 d) 2.5 m/s^2

The rate about which velocity fluctuates is titled acceleration. Acceleration typically signals a shift in speed, but not necessarily. An item that continues a circular course while maintaining a constant speed is still moving forward because the orientation of its motion is rotating.

The following equation can be used to determine each car's acceleration: acceleration = (final velocity - beginning velocity) / time period. For each car, the computation is as follows:

a) acceleration = (11.0 - 2.0) / 3.0 = 3.0 m/s^

b) acceleration = (3.0 - (-5.0)) / 2.0 = 4.0 m/s^2

c) acceleration = (-5.0 - 1.0) / 2.0 = -3.0 m/s^2

d) acceleration = (25.0 - 0.0) / 10.0 = 2.5 m/s^2

Because the vehicle is slowing down rather than accelerating, the acceleration of automobile "c" is negative.

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A space probe traveling from Earth will hit the asteroid belt at 3 AU. Hence, option (A) is correct.

The Solar System's asteroid belt is a torus-shaped region that is located between the orbits of Jupiter and Mars and is centered on the Sun.

It is home to a large number of asteroids and minor planets, which are solid bodies with erratic shapes. The discovered objects range in size, but they are all considerably smaller than planets.

On average, they are around one million kilometers (or six hundred thousand miles) away. To distinguish it from other asteroid populations in the Solar System.

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Stretching, shear, shortening, and unstrained types of strain A c D 2. Displacement, rotation, and distortion are the three ways that deformation manifests.

In physics, an object is a visible grouping of matter that may move together in three dimensions via translation or rotation and may be contained by an obvious border. Everything has a unique identity that exists independently of any other features.

A force is a push or pull that an object feels as a result of contact with another thing. Each time two things come into contact, a force is applied to each one of them.

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Since every resistance is connected in series, the current flowing through the 100 ohm resistor is 0.02 A.

The formula for electric current can be used to calculate it: The "current equation," which is derived from Ohm's Law, is the equation I=V/R. Current is represented by the variable "I," voltage by the variable "V," and resistance by the variable "R."

According to Ohm's law, the current flowing through a conductor is proportional to the voltage V and the resistance R; thus, V equals IR. If a charge Q flows through the cross-section of a conductor in time t, the current I is equal to Q/t, which is an alternative statement of Ohm's law. The S.I. charge unit is the coulomb, and electric current is measured in amperes, or coulombs per second.

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When considering fictitious elements Z and M, it is likely that element Z will have a higher ionization energy, meaning that more energy will be needed to remove an electron from it.

This means that when the two elements react, element Z will be more likely to gain electrons, while element M will be more likely to lose electrons. This means that element Z will be oxidized, while element M will be reduced.

Ionization energy, also known as ionization potential, is the amount of energy required to remove an electron from an atom or a molecule.

This process is referred to as ionization, and it involves the transfer of an electron from a neutral atom or molecule to form an ion with a positive charge.

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Constant velocity - Image D

Constant acceleration - Image A

Constant acceleration to the east - Image C

To release a ball from rest - Image B

A velocity-time graph is a graph that represents the relationship between the velocity of an object and the time it has been moving. In this type of graph, the velocity of an object is plotted on the y-axis and the time elapsed is plotted on the x-axis.

A velocity-time graph can be used to determine various properties of an object's motion, such as its acceleration, velocity, and displacement. For example, the slope of the velocity-time graph gives the acceleration of the object. If the graph is a straight line, the object is undergoing constant acceleration. If the graph is a curved line, the object is undergoing non-uniform acceleration.

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The soda fills approximately 41.67% of the volume of the can.

The volume of the cylindrical soda can is given by the formula V = πr^2h,

where

We are given that the diameter of the can is 6 cm, so the radius is 3 cm. Also, the height of the can is 12 cm when upright. Therefore, the volume of the can is:

V = π(3 cm)^2(12 cm) = 108π cubic centimeters.

When the can is placed on its side and the soda fills to a height of 5 cm, the volume of soda in the can is:

V_soda = π(3 cm)^2(5 cm) = 45π cubic centimeters.

To find the percentage of the can's volume that is filled with soda, we can divide the volume of the soda by the total volume of the can and multiply by 100:

Percentage = (V_soda / V) x 100%

= (45π / 108π) x 100%

= 41.67%

Therefore, the soda fills approximately 41.67% of the volume of the can.

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Answer:

the answer is D

Explanation:

D. The properties of the two media determine how much of a wave is reflected or transmitted when it meets a new medium. When a wave encounters a new medium, part of the wave energy may be reflected back and part may be transmitted through the medium. The amount of reflection and transmission depends on the properties of the two media, such as their density, elasticity, and refractive index. These properties determine how much the wave is absorbed or scattered, and how much is transmitted through the new medium. Therefore, the answer is D.

The false statement is D: "was inhibited if radioactive elements were present because their decay required heat input from the surroundings."

This is false because radioactive elements can provide heat within the planetesimals and protoplanets, helping to drive differentiation by releasing heat from their decay. This heat can cause melting, which can lead to the differentiation of these bodies into internal layering, with a central ball of iron alloy (the core) and an outer shell of lighter rocky materials (the mantle).

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Work required to assemble eight identical point charges, each of magnitude q, at the corners of a cube of side 's' is  [tex]\frac{Kq^{2} }{s} [12+6\sqrt{2} +\frac{4}{\sqrt{3}} ][/tex] where K is [tex]\frac{1}{4\pi e }[/tex].

Here, we have a cube of side 's' unit  with point charges on all the vertices of the cube. So, we get 12 pairs of charges having separation of length s. 12 pairs of charges on each faces (on the diagonals) having separation of  √2s and 4 pairs of charges on the body diagonals of the cube having separation of √3s.

We know that the Work done required to assemble 2 charges = (K x q1  x q2)/ r where q1 and q2 are the amount of charges and r is the separation.

Therefore, the total work done U :

⇒12 x [Kq²/s]  + 12 x [Kq²/√2s] + 4 x [Kq²/√3s]

⇒[tex]\frac{Kq^{2} }{s} [12+6\sqrt{2} +\frac{4}{\sqrt{3}} ][/tex] units

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Explanation:

Step 1: Let the velocity of the heavier ball be V.

Step 2: Set up the equation for momentum conservation.

0.6*4 + 1.0*(-5) = 0.6*V + 1.0*7.25

Step 3: Solve the equation for V.

0.6*4 + 1.0*(-5) = 0.6*V + 1.0*7.25

0.6*4 - 1.0*7.25 = 0.6*V - 1.0*5

2.4 - 7.25 = 0.6V - 5

-4.85 = 0.6V

V = -4.85/0.6

V = -8.08 m/s

Answer:

The velocity of the heavier ball after the collision is 3.05 m/s

Explanation:

My explanation is included the pictures attached below

Other significant roles of water are:

Water is a critical component to sustain life, including in the human body. In general, about 60% of the human body is water, but the percentage can vary from 45% to 75% based on age, sex, and hydration level. That's why option A is not correct, since there is way more than 30% of the human body is water.

Besides that, water is also important in keeping our organs healthy. It helps kidneys to remove waste, keep the blood vessels open, prevent constipation, and many more.

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Holes are much lighter and more mobile than electrons in semiconductors. This difference in effective mass is a key factor in determining the electronic properties of materials such as B. Its conductivity, charge carrier mobility, and optical properties. 

The effective mass (meff) of an electron or hole in a solid is a measure of how a particle behaves as if it had a certain mass in a vacuum, even when interacting with crystal lattices and other particles in the solid. is. In general, the effective mass of an electron or hole depends on its energy and momentum.

In semiconductors with an energy bandgap, the valence band (VB) is separated from the conduction band (CB) by the bandgap energy (Eg). The energy of CB is higher than that of VB, the electrons in CB are free to move and conduct electricity, while the holes in VB are immobile and carry positive charge.

If the effective mass of electrons in CB is five times the effective mass of holes in VB, then the effective mass ratio can be expressed as

meff,electron / meff,hole = 5

Taking the reciprocals of both sides and rearranging them gives:

meff,hole / meff,electron = 1/5

This means that the effective mass of holes in VB is about one-fifth that of electrons in CB. In other words, holes are much lighter and more mobile than electrons in semiconductors. This difference in effective mass is a key factor in determining the electronic properties of materials such as: B. Its conductivity, charge carrier mobility, and optical properties. 

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"The paperwork needed to start a corporation is extensive and a corporation must also keep detailed financial records documenting all financial transactions in detail."

Incorporation enables enterprises to raise money through the sale of stock. This is a significant benefit as a business expands and requires more funding to function and compete. In comparison to other business entities, the corporation may have an advantage in obtaining bank loans depending on its size and financial stability.

When a firm or person gets taxed twice on the same income, this is known as double taxation. One instance of this is when a business pays corporate taxes on earnings or profits before paying dividends to shareholders who then have to pay personal taxes on the money.

The given question is inappropriate. Corrected question is 'The paperwork needed to start a corporation is extensive and a corporation must also keep detailed ___ records documenting all financial transactions in detail.'

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Answer:

w=0.25rad/s

Explanation:

w=vr

where v=speed in m/s,r=0.5 in m,w=rad/s

w=0.5×0.5

w=0.25rad/s

Answer:

humerus and all hand bones

Explanation:

not skull bones

in axial skel.

The force of gravitational attraction between the proton and electron is 8.23 x 10^-62 N.

The force of gravitational attraction between two masses can be calculated using the formula F = G * (m1 * m2) / d^2, where F is the force, G is the gravitational constant, m1 and m2 are the masses of the two objects, and d is the distance between them.

For the proton and electron, the force of gravitational attraction can be calculated as follows:

F = G * (1.67 x 10^-27 kg) * (9.1 x 10^-31 kg) / (1 m)^2

G = 6.67 x 10^-11 Nm^2/kg^2

Plugging in the values, we get:

F = 6.67 x 10^-11 Nm^2/kg^2 * (1.67 x 10^-27 kg) * (9.1 x 10^-31 kg) / (1 m)^2

= 8.23 x 10^-62 N

So the force of gravitational attraction between the proton and electron is 8.23 x 10^-62 N.

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Earth constantly moves. The Earth rotates around its axis once per day. The axis is the fictitious line passing through the middle of the planet, from the North to the South Poles.

It appears that the sun is moving across the sky as Earth spins, the sun is actually whirling. There are 24 hours in a day because it takes 24 hours to complete one rotation.

In other words, if the sun is visible in the morning beginning around 6:00 AM, the Earth will have spun around by 6:00 AM the following morning, and the sun will be seen in roughly the same location.

The Earth circles the sun and rotates on its axis. The Earth completes one full rotation of the sun in a little over 365 days.

Therefore, Earth constantly moves. The Earth rotates around its axis once per day. The axis is the fictitious line passing through the middle of the planet, from the North to the South Poles.

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The near point of the machinist with the eyeglasses is 7 cm. This is because the power of the eyeglasses is +4.25 diopters. The near point is inversely related to the power of the lenses.

The power is the capacity or ability to do something or act in a particular way. It can refer to physical strength, mental strength, the ability to influence people or events, or the capacity to achieve goals. Power can also refer to knowledge, control or authority over something or someone. It can be used to accomplish great things and to gain advantage over others, but it can also be abused or misused. It is important to use power responsibly and ethically, as it has the potential to cause great harm.

Therefore, when the power of the lenses increases, the near point decreases. Therefore, the near point of the machinist with the +4.25-diopter eyeglasses would be 7 cm.

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The distance travelled by the huckey puck, given that it slides across the ice with a speed of 3.0 m/s for 1.5 seconds is 4.5 meters

We know that speed is defined as the distanced travelled in a particular time.

Speed = distance / time

Making distance the subject, we have

Cross multiply

Distance = speed × time

With the above formula, we can obtain the distance the hockey puck will slide Details below:

Distance = speed × time

Distance travelled = 3.0 m/s × 1.5 seconds

Distance travelled = 4.5 meters

Thus, we conclude that the distance travelled is 4.5 meters

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Answer:

4.5m

Explanation:

Using

Distance= speed * time

D = 1.5 * 3 m

D = 4.5 m

If the atmosphere was much thicker than it is now, the sun would appear red-orange. Thus, the correct option for this question is D.

An atmosphere may be defined as a type of layer that significantly involves the mixture that significantly surrounds any celestial body or planets like earth and mars.

According to the context of this question, if the atmosphere was twice as thick as it is now, the sky when the sun is directly above you would be a stronger blue and the sun would look yellower. The red coloration of the sun at sunrise and sunset would begin earlier at sunset and last longer in the morning. It is due to refraction.

Therefore, if the atmosphere was much thicker than it is now, the sun would appear red-orange. Thus, the correct option for this question is D.

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Plastic deformation occurs when stress is removed and the material does not go back to its original shape.

The capacity of a solid material to undergo permanent deformation, also known as plastic deformation, is defined as the ability of a material to change its shape in a way that is irreversible in response to external pressures being applied.  

Plasticity can be seen, for instance, in a piece of solid metal that has been bent or pounded into a new shape. This is because permanent changes have occurred inside the material itself. Yielding is a term used in the field of engineering to describe the shift from an elastic behavior to a plastic behavior.

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The steps are already in correct order for focusing on specimen while using a microscope.

What is microscope used for?

The Latin word "microscopium," from which the English word "microscope" is derived, is a combination of the Greek words "mikros," which means "little," and "skopein," which means "to look at."

A microscope is a device that enlarges an image of a small object to expose details that the unassisted eye cannot perceive. The optical microscope, which employs visible light focused through lenses, is the most used type of microscope.

Small rectangles of clear glass or plastic called microscope slides are used to support specimens while they are being studied under a microscope.

Hence, the step are in correct order 1), 2), 3), 4), and 5) for focusing on specimen while using a microscope.

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The estimated change in water volume is -0.00056 [tex]m^3[/tex], which represents the volume reduction due to the applied pressure. 

The formula for volume change is:

ΔV = -V * ΔP/B

where:

ΔV = volume change

V = initial volume

ΔP = pressure change

B = bulk modulus of water

After plugging in the values ​​it looks like this:

ΔV = -1 [tex]m^3[/tex] * (35 x 10^6 Pa) / (2.2 x [tex]10^9[/tex] Pa)

= -0.00056[tex]m^3[/tex]

Therefore, the estimated change in volume of water is -0.00056 [tex]m^3[/tex], which represents the decrease in volume due to applied pressure. 

The volume is determined by multiplying the dimensions of length, width, and height. Good news for cubes comes from the fact that each of these dimensions weighs exactly the same. As a result, we can add three to the length of any side. The formula that results is as follows: Front * Back Volume

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The first hill was 6.17 meters high.

Velocity is defined as the displacement of the object in a given amount of time and is referred to as velocity.

The work done on Amy and her bicycle by gravitational force can be calculated as follows:

W = mgh

where m is the mass of Amy and her bicycle, g is the acceleration due to gravity (9.8 m/s²), and h is the change in height.

When Amy is coasting down the first hill, her potential energy is converted to kinetic energy, so the work done by gravity is equal to the initial increase in kinetic energy:

W = (1/2)mv²

where v is the velocity. Setting these two equations equal to each other, we get:

mgh = (1/2)mv²

Solving for h, we get:

h = (1/2)v²/g

Plugging in the known values, we get:

h = (1/2)(11 m/s)²/9.8 m/s² = 6.17 m

Thus, the first hill was 6.17 m high.

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The speed of the GPS satellite in orbit is approximately 3.87 km/s.

MEO, or medium earth orbit, is the term used to describe orbits of this altitude.

We can use the formula for the speed of an object in circular orbit:

v = √(GM/r)

where v is the speed of the satellite, G is the gravitational constant, M is the mass of the Earth, and r is the distance between the center of the Earth and the satellite (which is the sum of the radius of the Earth and the altitude of the satellite).

The mass of the Earth is approximately 5.97 x 10²⁴kg, the radius of the Earth is approximately 6,371 km, and the altitude of the GPS satellite is 20,200 km.

Converting the units to meters, we have:

M = 5.97 x 10²⁴ kg

r = (6,371 km + 20,200 km) x 1000 m/km

= 26,371,000 m

G = 6.674 x 10⁻¹¹ N·m²/kg²

[tex]\mathrm{v = \sqrt{\dfrac{(6.674 \times 10^{-11} N\cdot m^2/kg^2) \times (5.97 x 10^24 kg)}{(26,371,000 m)} } }[/tex]

= 3.87 km/s

Therefore, the speed of the GPS satellite in orbit is approximately 3.87 km/s.

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Computers used by staff during the project item below would be considered an overhead cost.

In business, overhead or overhead fee refers to an ongoing expense of running a commercial enterprise. Overheads are expenditures that can't be without problems traced to or identified with any specific revenue unit, in contrast to operating fees along with raw fabric and labor. consequently, overheads can't be without delay associated with the products or offerings being presented, accordingly do now not directly generate profits.

However, overheads are still critical to business operations as they provide critical support for the business to carry out profit-making activities. as an example, overhead charges which include the lease for a manufacturing unit allow employees to manufacture products that could then be offered for an income. Such costs are incurred for output typically and no longer for particular work orders; e.g., wages paid to watch and ward body of workers, heating and lights fees of the factory, etc. Overheads also are a very essential value detail together with direct substances and direct labor.

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Complete Question:

Leon started a project to design and create a new video game for the animation studio where he develops graphics and animations for video games and movies.

Which item below would be considered an overhead cost?

Permanent(Bar)magnet

(1)hey are permanently magnetized

(2)These are usually made of hard materials.

(3) The strength of the magnetic field line is constant. it can not be varied.

(4)The pole of permanent magnet can not change

(5)Example of permanent magnet is Bar Magnet

Electromagnet

(1) These are temporary Magnetized.

(2) They are usually made of soft materials.

(3)The strength of the magnetic fields can be varied accordingly to our need.

(4) The poles of an electromagnet can be altered

(5) Example of a temporary magnet is solenoid wounded across a nail and connected to a battery..

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