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A simple pendulum with a bob of mass m o...

A simple pendulum with a bob of mass m oscillates from A to C and back to A such that PB is H. If the acceleration due to gravity is g, then the velocity of the bob as it passes through B is

A

`mgH`

B

`sqrt(2gH)`

C

`Zero`

D

`2gH`

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The correct Answer is:
B
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