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Calculate the angular momentum of a body...

Calculate the angular momentum of a body whose rotational energy is 10 joule. If the angular momentum vector coincides with the axis of rotation and its moment of inertia about this axis is `8xx10^(-7)` kg m^(2)

A

`4xx10^(-3)kg m^(2)//s`

B

`2xx10^(-3)kg m^(2)//s`

C

`6xx10^(-3)kg m^(2)//s`

D

None of these

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