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A body is allowed to fall freely under g...

A body is allowed to fall freely under gravity from a height of `10m.` If it looses `25%` of its energy due to impact with the ground, then the maximum height it rises after one impact is

A

`2.5 m`

B

`5.0 m`

C

`7.5 m`

D

`8.2 m`

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