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A ring of mass 10 kg and diameter 0.4 me...

A ring of mass 10 kg and diameter 0.4 meter is rotating about its geometrical axis at 1200 rotations per minute. Its moment of inertia and angular momentum will be respectively:-

A

0.4kg `m^(2)` and 50.28 Joule sec

B

0.4 kg `m^(2)` and 0.4 Joule sec

C

50.28 kg `m^(2)` and 0.4 Joule sec

D

0.4 kg `m^(2)` and zero

Text Solution

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The correct Answer is:
A
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