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A ring of mass 10 kg and diameter 0.4 m ...

A ring of mass 10 kg and diameter 0.4 m is rotated about an axis passing through its centre and perpendicular to its plane. Moment of inertia of the ring is

A

`1.4 kg m^2`

B

`2.4 kg m^2`

C

`0.4 kg m^2`

D

`2 kg m^2`

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