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Circular disc of mass 2kg and radius 1 m...

Circular disc of mass 2kg and radius 1 metre is rotating about an axis perpendicular to its plane and passing through its centre of mass with a rotational kinetic energy of 8Joules. The angular momentum in (J sec) is

A

`8`

B

`4`

C

`2`

D

`1`

Text Solution

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The correct Answer is:
B
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