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A circular disc is rotating about its ow...

A circular disc is rotating about its own axis at uniform rate completes `30` rotations in one minute.The angular velocity of disc in rad `s^(-1)` is

A

`2 pi`

B

`pi`

C

`(pi)/(2)`

D

`(pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
`omega =2pi n` , where n=no. of revolutions per sec
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