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At t=0, a grinding wheel has an angular velocity of 27.0rad/s. It has a constant angular acceleration of 33.0rad/s2until a circuit breaker trips at timet= 1.80s. From then on, it turns through an angle 440 rad as it coasts to a stop at constant angular acceleration.

Through what total angle did the wheel turn between t=0 and the time it stopped?

At what time did it stop?

What was its acceleration as it slowed down?

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