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sesenic [268]
3 years ago
10

A boy throws a ball and accidentally breaks a window. The momentum of the ball and all the pieces of glass taken together after

the collision is ________ the momentum of the ball before the collision
Physics
1 answer:
geniusboy [140]3 years ago
3 0
A boy throws a ball and accidentally breaks a window. The momentum of the ball and all the pieces of glass taken together after the collision is the same as <span>the momentum of the ball before the collision. I think you forgot to give the choices along with the question. I hope that the answer has come to your great help.</span>
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Consider a system of a cliff diver and the Earth. The gravitational potential energy of the system decreases by 25,000 J as the
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Answer:

568.18 N

Explanation:

From the question,

The formula for gravitational potential is given as

Ep = mgh........................ Equation 1

Where Ep = Gravitational potential, m = mass of the diver,h = Height.

But,

W = mg.................... Equation 2

Where W = weight of the diver.

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Ep = Wh

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W = Ep/h................... Equation 3

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W = 25000/44

W = 568.18 N.

Hence the weight of the diver = 568.18 N

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