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A thin rod of mass m and length 2L is ma...

A thin rod of mass `m` and length `2L` is made to rotate about an axis passing through its center and perpendicular to it. If its angular velocity changes from `O` to `omega` in time `t`, the torque acting on it is

A

`(ml^(2)omega)/(12t)`

B

`(ml^(2)omega)/(t)`

C

`(ml^(2)omega)/(3t)`

D

`(4ml^(2)omega)`

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