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If an electric fan revolving at 600 rps ...

If an electric fan revolving at 600 rps is speeded up uniformly to 1200 rpm in 4 s, then the angular acceleration of a fan will be

A

`pi//2 rad//s^(2)`

B

`2 pi rad//s^(2)`

C

`3pi//2 rad //s^(2)`

D

`5pi rad//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`alpha=(omega_(2)-omega_(1))/(t)`
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