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If a flywheel makes 120" rev"//"min", th...

If a flywheel makes `120" rev"//"min"`, then its angular speed will be

A

`2pi"rad s"^(-1)`

B

`4pi^(2)"rad s"^(-1)`

C

`pi"rad s"^(-1)`

D

`4pi"rad s"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
`omega=120"rev"//"min"=120xx(2pi)/(60)"rad s"^(-1)=4pi"rad s"^(-1)`
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