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A wheel starts from rest and obtained an...

A wheel starts from rest and obtained angular velocity of 72 rad/s at the end of 3 s, then its constant acceleration will be……….`"rad/s"^(2)`.

A

64

B

16

C

24

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
`omega=omega_(0)+alphat`
`therefore (omega-omega_(0))/(t)=+alpha`
`(72-0)/(3)=alpha`
`therefore alpha=24" rad/s"^(2)`
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