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A small ball of mass m collides elastica...

A small ball of mass m collides elastically with a simple pendulum with bob of mass ma at rest. The macimum height attained by the bob after collision is

A

`(v^(2))/(g)`

B

`(v^(2))/(2g)`

C

`(v^(2))/(4g)`

D

0

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The correct Answer is:
B
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