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A spoke OP of a bicycle wheel was originally at a horizontal position. The wheel starts...

A spoke OP of a bicycle wheel was originally at a horizontal position. The wheel starts rotating with an initial angular velocity 4.0 rad/s and a constant angular acceleration of 2.0 rad/s^2. How many rotational cycles the spoke OP has made after one second? What is the angular velocity of the wheel after three seconds?
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