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A solid body rotates about a stationary ...

A solid body rotates about a stationary axis so that the rotation angle `theta` varies with time as `theta=6t-2t^(3)` radian. Find
(a) the angular acceleration at the moment when the body stops and
(b) the average value of angular velocity and angular acceleration averaged over the time interval between `t=0` and the complete stop.

A

`6rad//s^(2)`

B

`24rad//s^(2)`

C

`18rad//s^(2)`

D

`12rad//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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