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A rubber ball falling from a height of 5...

A rubber ball falling from a height of `5 m` rebounds from hard floor to a height of `3.5 m`. The `%` loss of energy during the impact is

A

`20 %`

B

`30 %`

C

`43 %`

D

`50 %`

Text Solution

Verified by Experts

The correct Answer is:
B

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