Why can't a superball released from rest reach its original height when it bounces from a rigid floor?

Q: if the book fals of the shelf, what will be its speed when it hits the ground.

A: Every object has two types of energies. They are Potential energy and Kinetic energy. Potential…

Q: Can something have energy without having momentum? Explain. Can something have momentum without…

A: It is possible for an object at height, h to possess a potential energy, while its momentum will be…

Q: What is the elastic potential energy converted into?

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Q: A very bouncy ball is released from rest and bounces off a very hard floor. Why won’t it ever quite…

A: It is due to lose of some energy during collision.

Q: A 50 kg man is running until he hits a swing with a mass of 2 kg. If he was running at 2 m/s, find…

A: Conservation of total energy  It states that the sum of kinetic energy+ potential energy is same at…

Q: An object only has mechanical energy when it is moving. True or False?

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Q: An apple falls to the ground from a tree branch and lands on the ground without bouncing. Just…

A: Given An apple fall from a tree and when it strike to the ground comes to rest without bouncing. We…

Q: When the kinetic and potential energies are the same (when they cross paths), where is this in the…

A: The red dots represent potential energy , the blue dots represent the kinetic energy and the purple…

Q: 17. What happens to the ball's kinetic energy (KE) and potential energy (PE) as it falls?

A: Potential energy is the amount of energy possessed by a body by its position in the surrounding. The…

Q: Why Does A Gun Recoil When A Bullet Is Fired?

A: This is due to the Newton's third law of motion. When a bullet is fired from a gun, the gun exerts a…

Q: Which of the following has the greatest kinetic energy? *

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Q: In a common physics demonstration, a bowling ball is suspended from the ceiling by a rope. The…

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Q: What form of energy does a ball have as it is bouncing?

A: Bouncing ball

Q: When does and object transform from kinetic to potential energy?

A: When does an object transform from kinetic to potential energy? Explain:-  kinetic energy:-…

Q: Compare and contrast the kinetic energies and momenta of the following An arrow travelling at 600…

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Q: The two ways we can move energy around are called and

A: there are two ways we can move energy around- 1) Electrically- by electrically process energy move…

Q: What is the impulse of 8-kg ball rolling at 2m/s when it bumps into pillow and stops?

A: Formula for the impulse is:

Q: is waving a hand potential or kinetic energy?

A: Kinetic Energy: The term kinetic energy in physics is defined as the energy possessed by the body…

Q: A ball weighing 1.0 kg moves at the speed of 2.5 m/s and hits a stationary ball which weights 1.5…

A: Initial speeds of the balls are u1=2.5 m/su2=0 m/s Masses are  m1=1.0 kgm2=1.5 kg Suppose that final…

Q: Why a ball bounces more high at heights?

A: As we know that the Gravitational force is increctly proportional to square of the distance from the…

Q: A vase with a mass of 1.5 kilograms falls from a high pedestal and crashes to the ground with the…

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Q: A bullet with a mass of 7 g and horizontal velocity of 130 m/s sticks into a massive block with a…

A: Given: The mass (m) of the bullet is 7 g. The velocity (v) of the bullet is 130 m/s. The mass (M) of…

Q: Heavier bodies need greater initial effort to put them in motion. why?

A: Given: Heavier bodies need greater initial effort to put them in motion, why

Q: Someone wanting to sell you a Superball claims that it will bounce to a height greater than the…

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Q: A ball is initally at rest at the top of a hill and starts to roll down. Where would total energy be…

A: When the ball is at the top Total Energy is in the form of Potential energy

Q: A billiard ball traveling with a velocity of 5.0 m/s hits another ball of the same mass, which is at…

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Q: Why should the angle of swing be small few degrees), or, what would happen if the angle were large?

A: For oscillation of a bob hanging from a thread from a fixed point as shown in diagram below we have.

Q: A 5.0 kg object is moving at 4.44 m/s? By what factor does its kinetic ener change if its speed…

A: Given data:  Mass (m) = 5.0 kg Original speed (v) = 4.44 m/s New speed (v') = 2v Required: The new…

Q: An 800 kg cannon mounted on wheels fired at 10kg cannonball at 80m/s. At what velocity does the…

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Q: oes every moving body posses both kinetic energy and momentum? Explain.

A: Answer Kinetic energy is the energy possessed by an object due to its motion. Momentum of a body is…

Q: A 1-kg object and a 2-kg object have equal nonzero momenta. Which object has the larger kinetic…

A: The expression for kinetic energy is given by, K=P22m Here, P is the momentum and m is the mass of…

Q: For elastic objects, the amount of elastic potential energy is

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Q: An apple falls from a tree and strikes the ground without bouncing. What happens to its momentum? Is…

A: The system’s (Earth + apple) initial momentum is zero. When the apple falls towards the Earth, it…

Q: Question 12 The following possess no kinetic energy O A cyclone O A rotating pendulum at the bottom…

A: Kinetic energy( K.E)= 1/2(mv2)

Q: A 1.0 kg ball falls from rest a distance of 15 m. What was its change A. 112.5 J В. 147J С. 15 J D.…

A: given: mass  m =1 kgdistance falls ∆h=15 m

Q: What is the impulse on an 8-kg ball rolling at 2 m/s when it bumps into a pillow and stops?

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Q: Which, if either, has greater momentum: a 1 kg ball moving at 2 m/s or a 2-kg ball moving at 1 m/s?…

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Q: When rain falls from the sky, what happens to its momentum as it hits the ground? What about its…

A: Introduction: According to Newton's second law of motion, force is defined as the rate of change of…

Q: Can an object have momentum without having energy? Defend your answer.

A: Momentum is a property of an object due to its mass and velocity. Momentum = mvSo, when an object…

Q: Professor Walter Lewin, for his famous Physics experimental demonstration, hanged a bowling ball…

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Q: Calculate the final speed of a 110kg rugby player who is initially running at 8.00 m/s but collides…

A: Given that  mass m is 110 kg. initial speed is 8.00 m/sec  . a backward force of 1.76×104N for…

Q: Do as physics instructor Fred Cauthen does and place a tennis ball close to and above the top of a…

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Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.