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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

`5.5 sec`

B

`7 sec`

C

`11 sec`

D

`14 sec`

Text Solution

Verified by Experts

The correct Answer is:
C
Given `omega_(i)=0` and `theta=1/2alphat^(2)`
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