What fraction of its mechanical energy is lost in each bounce, if a ball bounces to 80% of its
original height?
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Since the ball bounces to 80% of its original height, its mechanical energy will lose 20% in each bounce.
Mansi2612:
when ball bounces back will its velocity remains same or gets reduced?
Its velocity will decrease because if the velocity of the ball remains the same after bouncing back then it would have reached the same height. Hope u understand
yup.... thanks a lot :p
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