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A stationary wheel starts rotating about...

A stationary wheel starts rotating about its own axis at uniform rate amgular acceleration `8rad//s^(2)`.The time taken by its to complete `77` rotation is

A

`14`

B

`21`

C

`28`

D

`35`

Text Solution

Verified by Experts

The correct Answer is:
C

`theta=2piN, omega^(2)=2alphatheta`
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