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A ball at rest is dropped from a height ...

A ball at rest is dropped from a height of `12 m`. If it looses `25 %` of its kinetic energy on striking the ground and bounces back to a height 'h'. The value of 'h' is equal to

A

3 m

B

6 m

C

9 m

D

12 m

Text Solution

Verified by Experts

The correct Answer is:
C

percentage loss of `PE = (h_(1) - h_(2))/(h_(1)) xx 100 %`.
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