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The speed of the wheel of an engine chan...

The speed of the wheel of an engine changes from 600 rpm to 1200 rpm in 5 s. Then its angular acceleration in `rad//s^(2)`

A

`pi`

B

`2 pi`

C

`3 pi`

D

`4 pi`

Text Solution

Verified by Experts

The correct Answer is:
D
` alpha =(2pixx10)/(5)=4pi rad//sec^(2)`.
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