Question

Take a tennis ball. Release it from a height on a hard ground. You will observe that the ball after striking the ground bounces several times. Answer the questions 1 what is the potential energy and kinetic energy when we release the ball. 2 why does the ball bounces back after striking the ground. 3from where does the ball get the kinetic energy for motion after striking the ground

Answer 1

1.) Before releasing :-
potential energy -100%
kinetic energy - 0%
Immediately after releasing:-
potential energy - 0%
kinetic energy -100%

2.)Ball bounces back due to Newton's third law of motion that to each action there is an equal and opposite reaction.

3.)Collision force gets converted to kinetic energy.

Hope it helps.

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Answer 2

Answer: because of the tennis ball stretched

Explanation:

Because of the elastic tennis ball