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A flywheel of mass 10 kg and radius 10 c...

A flywheel of mass 10 kg and radius 10 cm is revolving at a speed of 240 r.p.m. Its kinetic energy is

A

`32/pi J`

B

`3.2 pi^(2)J`

C

`32 pi J`

D

`32 pi^(2) J`

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The correct Answer is:
B
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