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A body of moment of inertia of 3 kg m^2 ...

A body of moment of inertia of `3 kg m^2` rotating with an angular velocity of 2 rad/s has the same kinetic energy as that of mass 12 kg moving with a velocity of

A

`1 m//s`

B

`2 m//s`

C

`4 m//s`

D

`8 m//s`

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