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Throwing and Catching at Same Height

A boy throws ...

Question

A boy throws a ball towards wall and it rebounds, at what point kinetic energy and potential energy will maximum and zero ?

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Solution

question should be more precise, is the ball thrown vertically upward or horizontal, in vertical motion maximum kinetic energy will be maximum just after throwing the body, and potential energy will be maximum when the velocity is zero at the maximum height

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Q. A ball is dropped on the ground from point A that is at the height

H

. After striking the ground, it rebounds and reaches back to point A, passing through point B that is at the height

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K . E ._{B}

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P . E ._{A}

P . E ._{B}

are the potential energies at A and B respectively. Assuming the potential energy to be zero at the ground, choose the correct option.

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Calculate the change in the object's kinetic energy.

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