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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 p is applied to the end B. The time taken by the rod to turn through a right angle is

A

`pi ml//12p`

B

`pi ml//6p`

C

`ml//6p`

D

None of these

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The correct Answer is:
A
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