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A solid cylinder of mass 20 kg rotates a...

A solid cylinder of mass `20 kg` rotates about its axis with angular velocity of `100` radian `s^(-1)`. The radius of the cylinder is `0.25m`. The magnitude of the angular momentum of the cylinder about its axis of rotation is

A

62.6 J s

B

70.4 J s

C

79.6 J s

D

60.5 J s

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The correct Answer is:
A
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