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The work done in increasing the angular frequency of a circular ring of mass `2kg` and radius `25cm` from 10rpm to 20rpm about is axis

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The work done in increasing the angular frequency of a circular ring of mass `2kg` and radius `25cm` from 10rpm to 20rpm about is axis
A. `0.2058 J`
B. `0.2040J`
C. `0.2085`
D. `0.2004 J`
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1 Answer

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by (86.0k points)
Correct Answer - A
`W=1/2I(omega_(2)^(2)-omega_(1)^(2))`
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