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when 200J of work is done on a fly wheel...

when 200J of work is done on a fly wheel its frequency of rotation from 4Hz to 9Hz. The M.I. of thw wheel about the axis of rotation is

A

`0.15" kg m"^(2)`

B

`0.2" kg m"^(2)`

C

`0.22" kg m"^(2)`

D

`0.3" kg m"^(2)`

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The correct Answer is:
A
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