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A uniform rod of length 2L has mass per ...

A uniform rod of length 2L has mass per unit length m .The moment of inertia of the rod about an axis passing through its centre and perpendicular to its length is

1) `(2)/(3)mL^(2)`

2) `(1)/(3)mL^(2)`

3) `(3)/(2)mL^(2)`

4) `(4)/(3)mL^(2)`

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