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Kinetic energy of a body is 4 J and its ...

Kinetic energy of a body is 4 J and its moment of inertia is `2 kg m^2`, then angular momentum is

A

`2 kg m^2//s`

B

`6 kg m^2//s`

C

`8 kg m^2//s`

D

`4 kg m^2//s`

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