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A non-uniform rod of mass m, length l an...

A non-uniform rod of mass `m`, length `l` and radius `r` is having its centre of mass at a distance `l//4` from the centre and lying on the axis of the cylinder. The cylinder is kept in a liquid of uniform density `rho`. The moment of inertia of the rod about the centre of mass is `I`. The angular acceleration of point `A` relative to point `B` just after the rod is released from the position as shown in the figure is

A

`(pi rho gl^(2) r^(2))/(I)`

B

`(pi rho gl^(2) r^(2))/(4I)`

C

`(pi rho gl^(2) r^(2))/(2I)`

D

`(3pi rho gl^(2) r^(2))/(4I)`

Text Solution

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The correct Answer is:
B
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