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A thin uniform rod of mass m and length ...

A thin uniform rod of mass `m` and length `l` is free to rotate about its upper end. When it is at rest, it receives an impulse `J` as its lowest point, normal to its length immediately after impact.

A

`2pisqrt(l//g)`

B

`2pisqrt(2l//3g`

C

`2pisqrt(3l//2g)`

D

`2pisqrt(l//2g)`

Text Solution

Verified by Experts

The correct Answer is:
B
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