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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 θ  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
mθgl
c
mθllg
d
ml2πlg

detailed solution

Correct option is A

No momentum will be transferred because, at extreme position the velocity of bob is zero.

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