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A simple pendulum consisting of a ball o...

A simple pendulum consisting of a ball of mass m tied to a thread of length l is made to swing on a circular arc of angle q in a vertical plane. At the end of this arc, another ball of mass m is placed at rest. The momentum transferred to this ball at rest by the swinging ball is

A

zero

B

`mthetasqrt(g/l)`

C

`(mtheta)/(l)sqrt(g/l)`

D

`(mtheta)/(l)2pisqrt(g/l)`

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The correct Answer is:
A
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