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A ball is thrown onto a floor as shown i...

A ball is thrown onto a floor as shown in figure.If its velocity vector`(barV1)` is `(3hati - 4hatj)m/s ` and coefficient ofrestitution is `1/2` then,the velocity `(bar(V2))` by which it rebounds is

A

`(3hati +4hatj) m/s`

B

`(3hati +2hatj) m/s`

C

`(-3hati +2hatj) m/s`

D

`(-3hati -2hatj) m/s`

Text Solution

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The correct Answer is:
A
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