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

A uniform rod AB of length l and mass m is free to rotate about point A. The rod is released from rest in the horizontal position. Given that the moment of inertia of the rod about A is ` (ml^(2))/(3)` , the initial angular acceleration of the rod will be:-

A

`(3g)/(2l)`

B

`(2g)/(3l)`

C

`"mg"(l)/(2)`

D

`(3)/(2)gl`

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