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A uniform rod AB of mass m and length l ...

A uniform rod AB of mass m and length l is at rest on a smooth horizontal surface. An impulse J is applied to the end B perpendicular to the rod in horizontal direction. Speed of the point A of the rod after giving impulse is:

A

`2(J)/(m)`

B

`(J)/(sqrt(2)m)`

C

`(J)/(m)`

D

`sqrt(2)(J)/(m)`

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The correct Answer is:
A
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