Question

At time t = 0 a grinding wheel has an angular velocity of 30.0 rad/s. It has a constant angular acceleration of 25.0 rad/s2 until the power is turned-off at time t = 2.50 s. From then on, the wheel turns at constant angular deceleration for another 9.50 s, until it stops. Through what total angle [in radians] did the wheel turn between t = 0 and when it stops?

Answer 1

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