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A small ball of mass m moving with speed...

A small ball of mass m moving with speed v `( gt sqrt(2gL))` undergoes an elastic head on collision with a stationary bon of identical mass of a simple pendulum of length L. The maximum height h, from the equilibrium position, to which the bob rises after collision is

A

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

B

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

C

`(v^(2))/(8g)`

D

`(3v^(2))/(8g)`

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The correct Answer is:
A
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