# Answer to Question #40096 in Mechanics | Relativity for Sumit Dey

Question #40096

A ball has an angular velocity of
5.0 rad s^-1
counterclockwise. Some time later, after
rotating through a total angle of 4.5 radians, the ball has an angular velocity of
1.5 rad s^-1 clockwise. Determine the angular acceleration, the average angular velocity
and how much time it takes for the ball to attain this velocity.

Expert's answer

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