Wavelength is a physical property of some energies that corresponds to the distance between wave peaks (characteristics of light waves, distance between the peaks of consecutive waves).
The amplitude and wavelength of a wave are two physical properties. Measured from the wave's highest point (peak or crest) to its lowest point, the amplitude of a wave indicates its height (trough). Wavelength is the distance a wave travels between peaks.
A waveform signal that is carried in space or down a wire has a wavelength, which is the separation between two identical places (adjacent crests) in the consecutive cycles. This length is typically defined in wireless systems in meters (m), centimeters (cm), or millimeters (mm) (mm). The wavelength is more frequently described in nanometers (nm), which are units of 10-⁹ m, or angstroms (Å), which are units of 10-¹⁰ m, for infrared (IR), visible light (UV), and gamma radiation (γ)
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Gas particles do not respond to heat the same way people do. Do you agree with this statement? Why? Provide an example in your explanation.
Answer:
Yes, I agree with the statement that gas particles do not respond to heat the same way people do. The reason for this is that gas particles do not have the same sensory mechanisms that people have to perceive heat.
When a person is exposed to heat, their sensory nerves respond by sending signals to the brain, which then triggers a response such as sweating, increased heart rate, or a feeling of discomfort. However, gas particles do not have nerves or brains, so they cannot respond to heat in the same way.
Instead, gas particles respond to heat by increasing their kinetic energy and moving faster. This causes the gas to expand and occupy more space. For example, if a gas is heated in a container with a fixed volume, the pressure inside the container will increase as the gas particles collide more frequently with the container walls.
Additionally, unlike people, gas particles do not have a specific temperature range in which they are comfortable or safe. They will continue to gain kinetic energy and expand as long as they are exposed to heat, without any limit to their response.
In summary, gas particles and people respond to heat in fundamentally different ways due to differences in their physical and biological properties.
does inserting a dielectric into a capacitor that is connected to a battery increase or decrease the energy stored in the capacitor? explain your answer.
By adding a dielectric, the capacitance rises and the energy in the capacitor decreases.
Do dielectrics cause capacitance to rise or fall?The strength of the electric field is reduced as a result of the presence of dielectric. If the overall charge on the capacitor plates is kept constant, the potential difference across the plates will decrease. The dielectric increases the capacitor's capacitance as a result. When a capacitor is given a dielectric, the electric field is diminished, the voltage is lowered, and the capacitance is increased.
Does a dielectric increase the energy that is stored?You must perform negative work in order to decrease the potential energy stored in the capacitor since adding a dielectric will increase capacitance C and reduce that potential energy.
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a baseball is released with an initial velocity of 29.4 m/s at an angle of 30.0 degrees above the horizontal. what is the maximum height that the ball reaches during its trajectory?
The ball's maximum height during its trajectory is 22.05 meters.
Which launch angle causes the ball to travel the furthest horizontally above level ground?Maximum range (dx) is obtained at an angle of 45°. The most horizontal distance is covered at an angle of 45 degrees or nearly there. The greatest possible height will be attained and the longest duration spent in the air when the angle is 90 degrees or higher.
What is the maximum height formula?The formula for determining the greatest height, ymax, is: vy 2 = vy(0)2 + 2 ay (y - y(0)). To get ymax = vy(0)2/ 2g, substitute into y(t) = vy(0) t - 12 g t2. The beginning velocity in the y-direction and the maximum height are used to calculate the maximum height.
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an example of an energy-requiring reaction is __________, which uses energy from the sun to produce sugars; an example of an energy releasing reaction is cellular ____________, which releases the energy in sugars.
Cellular respiration is an example of an energy-releasing process, which releases the energy in sugars. Photosynthesis is an example of an energy-requiring reaction, which consumes energy from the sun to make sugars.
Sunlight, carbon dioxide, and water are necessary as the first reactants in photosynthesis. When photosynthesis is finished, it releases oxygen and creates molecules of carbohydrates, most frequently glucose. The energy required for survival is contained in these sugar molecules.
Energy is needed for every chemical reaction in which tiny molecules are converted into larger ones. The molecules must be connected using ATP energy. Examples include converting amino acids into protein and carbohydrates into glycogen.
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a 5.0-nc charge is at (0, 0) and a-2.0-nc charge is at (3.0 m, 0). if the potential is taken to be zero at infinity, what is the electric potential energy of a 1.0-c charge at point (0, 4.0 m)?
The electrical capability strength of a 1.zero-C price at factor (zero, 4.zero m) is 7.sixty five x 10^6 J.
How to calculate the electric potential energy?To locate the electrical capability strength of a 1.zero-C price at factor (zero, 4.zero m), we will use the formulation: U = k * q1 * q2 / r
First, we want to locate the electrical capability at factor (zero, 4.zero m) because of the 2 expenses. The electric powered capability at a factor because of a factor price is given by: V = k * q / r
The electric powered capability at factor (zero, 4.zero m) because of the 5.zero-nC price is: V1 = k * q1 / r1
=[tex](nine x 10^nine Nm^2/C^2) * (5.zero x 10^-nine C) / (4.zero m)[/tex]
= 1.a hundred twenty five x 10^7 V
The distance among the 5.zero-nC price and the factor (zero, 4.zero m) is: r1 = [tex]\sqrt{(zero^2 + 4.zero^2) = 4.zero m}[/tex]
The electric powered capability at factor (zero, 4.zero m) because of the -2.zero-nC price is: V2 = k * q2 / r2
= [tex](9 x 10^9 Nm^2/C^2) * (-2.zero x 10^-9 C) / (5.zero m)[/tex]
= -3.6 x 10^6 V
The distance among the -2.zero-nC price and the factor (zero, 4.zero m) is: r2 = sqrt((3.zero m - zero)^2 + 4.zero^2) = 5.zero m
The overall electric powered capability at factor (zero, 4.zero m) is:
V = V1 + V2
= 1.a hundred twenty five x 10^7 V - 3.6 x 10^6 V
= 7.sixty five x 10^6 V
Now we will use the formulation for electric powered capability strength to locate the strength of a 1.zero-C price at factor (zero, 4.zero m) because of the 2 expenses: U = q * V
= (1.zero C) * (7.sixty five x 10^6 V)
= 7.sixty five x 10^6 J
Therefore, the electrical capability strength of a 1.zero-C price at factor (zero, 4.zero m) is 7.sixty five x 10^6 J.
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a cylindrical conduction initially has a resistance of 1 ohm. if the length is quadrupled and its radius cut in half, what is its resistance
The resistance of a cylindrical conductor is determined by the equation R = (ρL)/A, where ρ is the resistivity of the material, L is the length, and A is the area of the cylindrical conductor.
When the length is quadrupled and the radius is cut in half, the resistance of the cylindrical conductor is 4 ohms.
The resistance of a cylindrical conductor can also be affected by the resistivity of the material it is made of. The resistivity of a material is a measure of how easily electricity can flow through it, and is determined by its chemical structure.
Generally, materials with higher resistivity will have a higher resistance, so the resistance of a cylindrical conductor may be increased if it is made from a material with a higher resistivity.
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a car traveling with an initial velocity of 20 m/s accelerates at a constant rate of 3.2 m/s2 for 6 seconds. what distance does the car travel during this process?
The vehicle accelerates steadily around 3 m/s2 for 15 sec while moving at 20 m/s. This indicates that when the car accelerates, it will cover a total length of 75 metres.
What is acceleration, exactly?An item that follows a circular course while maintaining a constant speed is still moving forward because the source of its motion is shifting.
Additionally, it is either the first variant of velocity in relation to time or the second derivative for position in relation to time.
What time is it?The time frame that can be measured or quantified.
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Starting from rest, a particle moves along an axis from point A to point B with constant acceleration a = 2.20 m/2 through
displacement d = 500 m. Then it moves at constant acceleration a through displacement dz = 300 m from point B to point C. If the
total time is 60.0 s, what is the value of a2?
The value of constant acceleration (a2) is 3.6m/s2 when a particle moves at constant acceleration a through displacement d2 = 300 m from point B to point C.
Given the constant acceleration of a particle (a1) = 2.2m/s2
The displacement of particle from point A to B on x axis is (d) = 500m
The next displacement of particle from point B to C (d2) = 300m
The total time taken (t) =60s
Let the acceleration from point B to C = a2
Initially the particle is at rest so u = 0m/s
The time to travel from point A to B = t1
We know that from Newtons laws of motion s = ut + 1/2at2 such that:
d1 = ut1 + 1/2a1t12
500 = 0 + 1/2 x 2.2 x t^2
t = √1000/2.2 = 21.31s
The final velocity at point B = v
v = u + a1t1
v = 2.2 x 21.31 = 46.88m/s
The final velocity at point B becomes initial velocity to travel from B to C.
The remaining time (t2) = 60 - 21.31 = 38.69s
The final velocity at point C = 0m/s
so, v^2 = u^2 + 2xa2xd2
-46.88 x 46.88 = 2 x a2 x 300
a2 = -3.6m/s^2
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abs built into my car is intended to do what? prevent the brakes from causing the wheels to lock up provide a warning if the brake system is failing make the brake pads
Cadence braking is employed in automobiles without ABS to stop them on slick surfaces. The ABS is working to keep the car from locking up and keeping you from skidding when you feel feedback.
Remove your foot from the brake pedal to allow your wheels to maybe gain enough traction to momentarily unlock. Afterward, if necessary, apply brake pressure once more.
Without ABS, sudden, harsh braking could result in wheel lockup and loss of steering control if the driver didn't pump the brakes properly or kept the force of the brake pedal under control. When driving on an icy or wet road, it entails rhythmically applying and releasing the brakes gently to avoid the wheels from locking up while still allowing you to manoeuvre.
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Correct Question:
Why Do My Brakes Lock Up When Trying to Stop?
the radius of the sun is 696,000km. if its period is 587.28 hours, what is its tangential velocity at the equator? (
The tangential velocity of the sun at the equator is, 2370.25π km/hr.
Tangential velocity is the linear component of the speed of any object which is moving along a circular path. A point on the outside edge of a turntable moves a greater distance in one complete rotation than a point near to the center.
The equation for velocity is v = ΔxΔt. Using the circumference of the circle as the distance and the time as the period, we can rewrite the equation for velocity: v = 2πr/T.
Plug in the given values and solve for the velocity.
v = 2π (696,000km)/587.28 hr
v = π × 1392000km/587.28 hr
v = 2370.25π km/hr
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through a piece of copper wire 20 cm long and with a cross-sectional area of \u200b\u200b0.6 mm ^ 2 a charge of 4 cells is passed in 0.1 s. determine the voltage at the ends of the wire
The voltage across the wire is 1332 V.
What is voltage ?Voltage is a measure of electrical potential difference between two points in a circuit. It is a measure of the amount of electrical energy available to do work. Voltage is measured in volts (V). The voltage between two points is the difference in electrical potential between those two points. Voltage is the force pushing electrons through a circuit and is responsible for the current that flows in a circuit. The higher the voltage, the greater the current. Voltage is created when charge is stored in a capacitor or a battery.
The voltage across the wire is determined by Ohm's law, In this case, the resistance of the wire is given by R = L/A, where L is the length of the wire (20 cm) and A is the cross-sectional area of the wire (0.6 mm^2). Therefore, the resistance of the wire is 33.3 Ω.
The current is given by I = Q/t, where Q is the charge (4 cells) and t is the time (0.1 s). Therefore, the current is 40 A.
Using Ohm's law, we can calculate the voltage across the wire: V = IR = (40 A)(33.3 Ω) = 1332 V.
Therefore, the voltage across the wire is 1332 V.
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(i) what is the repulsive electrical force between two protons 3.5 * 10-15 m apart from each other in an atomic nucleus?
The repulsive electrical force between protons is: [tex]F = 9.279 \times 10^{-8} \,{\rm{N}}[/tex]
The repulsive electrical force between two protons 3.5 * 10-15 m apart from each other in an atomic nucleus is calculated by Coulomb's law, which states that the force between two charged particles is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.
So, the repulsive force between two protons 3.5 * 10-15 m apart is given by:
[tex]F = (1.602 \times 10^{-19})^2 / (3.5 \times 10^{-15})^2[/tex]
[tex]F = 9.279 \times 10^{-8} \,{\rm{N}}[/tex]
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imagine that the universe is a cubical box. if the universe initially contains equal amounts of all four elements, at all points, and the elements are then allowed to perform natural motions according to principles you discovered in (1) above, what will the final structure of the universe be?
If the universe initially contains equal amounts of all four elements, and the elements are then allowed to perform natural motions according to the principles discovered above, the final structure of the universe will be determined by the relative strengths of the forces acting on each element.
The stronger forces will cause the elements to move in certain directions and create patterns in the universe. For example, the forces of gravity, electrostatic forces, and magnetic forces will cause the Earth and Water elements to form planets, while the Air and Fire elements will form galaxies and stars. The final structure of the universe will depend on the balance of these forces and the motion of the elements.
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you have already found an expression for the electric field in the region r>rb in part a. what is an expression for the electric field e(r) in the region ra
E =lE0xi describes the electromagnetic current in a particular area. If a cubic container bounded by the surface x=0,x=a,y=0,y=a,z=0,z=a contains x1012C of charge.
What is the formula for the electric field?E=Fqtest=k|Q|r2. The size of the electrical field produced by a charged object Q is determined by this equation. The radius r in the fraction is the separation between the area of interest and the point charged, Q, or the center of the a spherical charge.
What is the r?' distance formula?This can be calculated using the distance formula: (x0)2+(y0)2=x2+y2. If and only if x2+y2=r, or if we squaring both sides: x2+y2=r2, is a point (x,y) at a distance from the origin. This is the formula for the r-radius circle centered at the.
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what is the capacitance of a capacitor with an initial voltage of 30.0 volts and an initial charge of 6.00 c? c
The required capacitance when voltage and charge of a capacitor are specified is calculated to be 0.2 F.
The expression for potential, charge and capacitance is known as,
Q = C V
where,
Q is charge
C is capacitance
V is voltage
The value of initial voltage is given as, V = 30 v
The value of initial charge is given as, Q = 6 c
Entering the values into the above equation, we have,
Q = C V
Making 'C' as subject, we have,
C = Q/V = 6/30 = 0.2 F
Thus, the required capacitance is calculated to be 0.2 F.
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Places where particles of the medium spread farther apart are called: ___________
Places, where particles of the medium spread farther apart, are called compressions.
Mechanical waves are classified as longitudinal waves and transverse waves. Some examples of longitudinal waves are sound waves, seismic P-waves, and ultrasound waves. Transverse waves examples include electromagnetic waves and ocean waves. In this article, we will learn what is a longitudinal wave and its characteristics. Longitudinal waves are waves where the displacement of the medium is in the same direction as the direction of the traveling wave. The distance between the centers of two consecutive regions of compression or the rarefaction is defined by wavelength, λ. When the compression and rarefaction regions of two waves coincide with each other, it is known as constructive interference and if the regions of compression and rarefaction do not coincide, it is known as destructive interference.
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If 6.0×105 J
J
of heat are added to the ice, what is the final temperature of the system?
The final temperature of the system is 63.33° C.
What is latent heat?A body or thermodynamic system can release or absorb latent heat during a constant-temperature process, often a first-order phase transition.
Latent heat is energy that is provided or removed in a concealed form to alter the state of a substance without altering its temperature.
The applied heat = 6.0 × 10⁵ Joule
Mass of the ice = 1 kg
Latent heat of ice fusion = 334 kJ/kg
Hence,
334000 × 1 + 1 × 4200× (t - 0) = 6.0 × 10⁵
4200 × t = 266000
t = 63.33° C
Hence, the final temperature of the system is 63.33° C.
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if the thermal bulb assembly develops a leak, what will occur? all of the system's refrigerant will leak out. the bulb pressure will reduce and the valve will close. the valve will open to allow more refrigerant to flow. it will have no effect on system operation
If the thermal bulb assembly develops a leak, The bulb pressure will reduce and the valve will close.
What is a thermostatic expansion valve?A thermostatic expansion valve (TXV) is a refrigeration and air conditioning throttling device which controls the amount of refrigerant liquid injected into a system's evaporator. It based on the evaporator outlet temperature and pressure which being called the superheat.
When a thermostatic expansion valve’s thermal bulb assembly develops a leak, the bulb pressure will decrease, and the valve will close. The pin or valve port piston of the electronic step-motor expansion valve could move a linear motion of 0.0783 inches/step.
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c) A thin plano-convex lens is made of glass of refractive index 1.5 when an object is set
up 10 cm from the lens, a virtual image ten times its size is formed. What is: i) focal
length of lens? ii) the radius of curvature of the lens surface? (Ans: f=11.1 cm, R= 55.6
cm)
Answer:
i) The focal length of the lens is 11.1 cm. ii) The radius of curvature of the lens surface is 55.6 cm.
Explanation:
Given: refractive index of glass = 1.5, object distance u = -10 cm, image distance v = 100 cm (since the image is virtual and ten times the size of the object), and the thickness of the lens t is small.
i) To find the focal length f, we can use the lens formula:
1/f = 1/v - 1/u
Substituting the given values, we get:
1/f = 1/100 - 1/-101/f = 0.01 + 0.11/f = 0.11f = 1/0.11f = 9.09 cm
However, this is the focal length of the lens surface. Since the lens is thin, we can assume that the thickness is negligible compared to the focal length.
Therefore, the focal length of the lens is approximately equal to the focal length of the lens surface, which is 9.09 cm.
The focal length of the thin plano-convex lens is -11.1 cm and the radius of curvature of the lens surface is 55.6 cm. These values are obtained by applying the lens-maker formula and considering the given conditions.
Explanation:In this question, a thin plano-convex lens made of glass with a refractive index of 1.5 is described. An object is placed 10 cm from this lens and a virtual image ten times the size of the object is formed. We are required to find the focal length of the lens and the radius of curvature of the lens surface.
Using the lens-maker formula, 1/f = (n-1)(1/R1 - 1/R2 ), and considering the object distance (u) as -10 cm (the negative sign is due to the convention for virtual images), and the image distance (v) as -100 cm (ten times the object size), we find that the focal length (f) of the lens is -11.1 cm.
Next, applying the lens-maker formula again, but this time for the radius of curvature (R) of the lens surface. Since one surface of the lens is plane (R1 = ∞), the radius of curvature is that of the convex side (R2), we obtain R = 55.6 cm.
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4.how does this physical quantity compare for the topmost liquid compared to the bottom most one, in the density tower?
When comparing the physical quantity of the topmost liquid to the bottommost liquid in a density tower, it is important to note that the topmost liquid will have a higher density since it is closest to the source of the gravitational force.
This means that the topmost liquid will be heavier than the one below it, and the density of the topmost liquid will be greater than the density of the bottommost liquid.
Additionally, the topmost liquid will also have a higher viscosity, meaning it will be thicker and more viscous than the one below it.
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5) what is the gravitational potential energy (relative to infinite) of a 5.00x103 kg satellite that is in orbit with a radius of 9.90x106 m around the earth?
P.E -1.57 × 10¹¹J is the gravitational potential energy.
Give the definition of gravitational potential energy
The energy that an object acquires as a result of its height or vertical position is known as gravitational potential energy. When we elevate items against Earth's gravity, the energy is held back by the gravitational force.
The energy that an item has or acquires when its location changes as a result of being in a gravitational field is known as gravitational potential energy. Gravitational potential energy can be defined as an energy that has a connection to gravitational force or gravity.
P.E = -GMm/r
m = 5000kg
r = 9.9 × 10⁶ m
G = 6.67 × 10⁻¹¹
M = 5.18 × 10²⁴
P.E = -(6.67 × 10⁻¹¹ *5.18 × 10²⁴ × 5000) / ( 9.9 × 10⁶ + 6.38 × 10⁶)
P.E = -1.57 × 10¹¹J
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a drone is flying horizontally when it runs out of power and begins to free fall from 80 m . if it lands 80 m away (in the x -direction) from where it began to fall, what was its horizontal velocity while it was falling (assuming no drag)?
The horizontal velocity of the drone while it was falling was approximately 19.8 m/s.
Assuming no air resistance or drag, the horizontal velocity of the drone remains constant during the fall. The time it takes for the drone to fall 80 m vertically can be calculated using the formula:
[tex]h = (1/2) * g * t^2[/tex]
where h is the height, g is the acceleration due to gravity, and t is the time. Solving for t, we get:
[tex]t = sqrt(2h/g) = sqrt(2*80/9.8) = 4.04 seconds (approximately)[/tex]
During this time, the horizontal distance traveled by the drone is 80 m.
Therefore, the horizontal velocity of the drone while falling can be calculated as follows:
[tex]v = d/t = 80/4.04 = 19.8 m/s (approximately)[/tex]
So, the horizontal velocity of the drone while it was falling was approximately 19.8 m/s.
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it takes a machine 90 seconds to do 54,000 j of work moving a conveyor belt. how much power is used to move the conveyor belt?
A machine moves a conveyor belt using 600 watts of power in 90 seconds, completing 54,000 j of work.
What kind of energy system is the ocean's conveyor belt?Water is transported all across the world by a network of ocean currents known as the global conveyor belt. Deep currents are driven by changes in water densities in a process known as thermohaline circulation, whereas surface currents are predominantly driven by wind.
How many cycles through the global conveyor belt does one make?A "parcel" of water is thought to take up to 1,000 years to travel the whole length of the planet's conveyor belt. At the northern polar region of the planet, cold, salty, thick water sinks and travels south along the western Atlantic basin.
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Question:
It takes a machine 90 seconds to do 54,000 J of work moving a conveyor belt. How much power is used to move the conveyor belt?
600 watts
540 watts
1.6 x 10-3 watts
4.8 x 106 watts
a large, f lat, horizontal sheet of charge has a charge per unit area of 9.00 mc/m2. find the electric field just above the middle of the sheet.
Answer:
Explanation:
cap
A 2.0 kg object moving east at 4.0 m/s collides
with a 5.0 kg object moving west at 6.0 m/s.
The two objects stick together after the
collision. Determine the speed of the two
objects after the collision.
The speed of the objects after collision, given that they stocked together is 5.4 m/s
How do I determine the speed of the objects after collision?We'll beging by listing out the given parameters from the question. This is given below:
Mass of object moving east (m₁) = 2.0 KgSpeed of object moving east (u₁) = 4.0 m/sMass of object moving west (m₂) = 5.0 KgSpeed of object moving west (u₂) = 6.0 m/sSpeed after collision (v) =?The speed after the collision can be obtained as shown below:
Momentum before = momentum after
m₁u₁ + m₂u₂ = v(m₁ + m₂)
(2 × 4) + (5 × 6) = v(2 + 5)
8 + 30 = v × 7
38 = v × 7
Divide both sides by 7
v = 38 / 7
v = 5.4 m/s
Thus, the speed after collision is 5.4 m/s
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the hydrogen bonds in liquid water are less stable than in ice. why?
The hydrogen bonds between water molecules change dramatically as the system's temperature changes.
The crystalline lattice of ice is dominated by a regular array of hydrogen bonds that space water molecules farther apart than they do in liquid water. This explains why water's density decreases when it freezes.
In other words, the presence of hydrogen bonds allows ice to float because this spacing causes ice to be less dense than liquid water.(Hydronium ions are also known as "hydroxonium ions").
H-O- H3O+
This is true in pure water at standard temperature and pressure. If the bond strengths were more similar, the atoms of two interacting water molecules might be partitioned into two polyatomic ions of opposite charge, specifically hydroxide and hydronium.
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The hydrogen bonds in liquid water are less stable than in ice due to the thermal energy of the water molecules in the liquid state causing them to vibrate and move around more, which makes it easier for the hydrogen bonds to break.
In liquid water, the hydrogen bonds between water molecules are constantly breaking and reforming due to the thermal energy of the water molecules. The thermal energy of the water molecules in the liquid state causes them to vibrate and move around more than in the solid state, which makes it easier for the hydrogen bonds to break.
In contrast, in ice, the water molecules are held in a more rigid and ordered structure, and the hydrogen bonds between them are more stable. The lower temperature in the solid state results in less thermal energy, which reduces the molecular motion and vibrations, making it more difficult for the hydrogen bonds to break.
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the electric potential (voltage) at a distance of 2.7m away from a charge, q,is measured to be precisely -3.5x103v. calculate the value of q incoulombs.
Charge q at a distance of 2.7 m away from the point charge is approximately [tex]-9.9 * 10^(-7) C[/tex]. We calculated this using Coulomb's law.
The electric potential (voltage) at a point a distance r away from a point charge q is given by the Coulomb's law:
[tex]V = k * q / r[/tex],
where k : Coulomb's constant ([tex]9 * 10^9 N*m^{2} /C^{2}[/tex]). In this case, we know that the voltage V is [tex]-3.5 * 10^3 V[/tex] and the distance r is 2.7 m. Therefore, we can write:
-[tex]3.5 * 10^3 V = (9 * 10^9 N*m^{2} /C^{2} ) * q / 2.7 m[/tex]
Solving for q:
q = [tex](-3.5 * 10^3 V) * (2.7 m) / (9 * 10^9 N*m^{2} /C^{2} ) = -9.9 * 10^(-7) C[/tex]
The negative sign indicates that the charge is negative, which means that it has an excess of electrons. This result shows that electric potential is directly proportional to the magnitude of the charge and inversely proportional to the distance from the charge.
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A ball is dropped from the top of a building. It initially moves at 4.0 m/s. After 0.5 seconds, it moves at 3.8 m/s.
What iconic sitcom did actress cindy williams star in?
Actress Cindy williams stars in Shirley Feeney on the television sitcom Laverne & Shirley.
Cynthia Jane Williams (August 22, 1947 - January 25, 2023) was an American entertainer and maker, referred to for her job as Shirley Feeney on the TV sitcoms Cheerful Days (1975-1979), and Laverne and Shirley (1976-1982). She likewise showed up in American Spray painting (1973) and The Discussion (1974).
After school, Williams started her expert vocation via landing public ads, which included Encourage Award shades and TWA. Her most memorable jobs in TV, among others, were on Room 222 Babysitter and the Teacher, and Love, American Style.
Williams went with an entertainer companion from Los Angeles City School who required a scene accomplice for the tryout and was likewise acknowledged at The Entertainers Studio West, yet seldom went to because of acting commitments. Williams got significant film jobs right off the bat in her vocation: George Cukor's Movements with My Auntie (1972); as Laurie Henderson, Ron Howard's personality's secondary school darling in George Lucas' American Spray painting (1973) for which she procured a BAFTA designation as Best Supporting Actress; and Francis Portage Coppola's The Discussion (1974). She tried out alongside large number of others, for Lucas' Star Battles for the job of Princess Leia, yet Leia was eventually played via Carrie Fisher since Lucas wished to project questions, as in American Graffiti.
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Can someone explain how to calculate the period,frequency and the wave speed of a transverse and longitudinal wave?
Wave speed - the distance the wave travels in a given amount of time
Frequency - number of events per unit of time
Period - time it takes to complete one oscillation
For Transverse Waves:
The formula for frequency is: f (frequency) = 1 / T ; where T is the time period.Similarly, the formula for time is: T (period) = 1 / fIn order to calculate the wave speed we use the formula: v = λ f where v is the speed of the wave in meters per second, λ is the wavelength in meters and f is the frequency of the wave in Hertz.For longitudinal Waves:
The speed of longitudinal wave is given by v=√Eρ where ρ is the density of the medium.Wave frequency can be measured by counting the number of compressions that pass the point in 1 second other time period. The period of a longitudinal wave is the time taken by the wave to move one wavelength. T = 1 / f