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A small ball B of mass m is suspended wi...

A small ball `B` of mass `m` is suspended with light inelastic string of length `L` from a block `A` of same mass in which can move on smooth horizontal surface as shown in the figure. The ball is displaced by angle `theta` from equilibrium position and then released.

Maximum velocity of block during subsequent motion of the system after release of ball is

A

`[gL(1-costheta)]^(1//2)`

B

`[2gL(1-costheta)]^(-1//2)`

C

`[gLcostheta]^(1//2)`

D

Insufficient information to decide

Text Solution

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The correct Answer is:
A
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