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A wheel at rest has M.I. 2/(pi^2) kgm^2....

A wheel at rest has M.I. `2/(pi^2) kgm^2`. It is rotated by a `60W` motor for one minute. The number of rotations made by the wheel in one minute is

A

`90`

B

`450`

C

`1800`

D

`1200`

Text Solution

Verified by Experts

The correct Answer is:
C
`p =(tau theta)/t, theta=2piN`
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