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A fly wheel of moment of inertia I is ro...

A fly wheel of moment of inertia I is rotating at n revolutions per sec. The work needed to double the frequency would be -

A

`2pi^(2)ln^(2)`

B

`4pi^(2)ln^(2)`

C

`6pi^(2)ln^(2)`

D

`8pi^(2)ln^(2)`

Text Solution

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The correct Answer is:
C
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