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A wheel requires 10.0 s to rotate 50.0 revolutions. Its angular velocity at the end of...

A wheel requires 10.0 s to rotate 50.0 revolutions. Its angular velocity at the end of the 10.0-s interval is 40.0 rad/s.

(a)What is initial angular speed of the wheel?

(b) What is the constant angular acceleration of the wheel?

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