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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 increases from `4Hz` to `9Hz`. The M.I. of the wheel about the axis of rotation is

A

`0.15kgm^(2)`

B

`0.2kgm^(2)`

C

`0.22kgm^(2)`

D

`0.3kgm^(2)`

Text Solution

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The correct Answer is:
A
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