ANSWER: ____Rotational Dynamics - Wheel Stops at 2.20s w/489 Rad Total

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SUMMARY

The discussion focuses on the rotational dynamics of an electric grinding wheel with an initial angular velocity of 28.0 rad/s and a constant angular acceleration of 32.0 rad/s². The wheel operates for 2.20 seconds before a circuit breaker trips, after which it coasts to a stop while turning through an additional 350 rad. The total angle turned by the wheel from the start until it stops is calculated to be 489 rad. The time taken for the wheel to stop after the circuit breaker trips is also a point of inquiry.

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At time t1 = 0 an electric grinding wheel has an angular velocity of 28.0 rad/s. It has a
constant angular acceleration of 32.0 rad/s2. At time t2 = 2.20 s a circuit breaker trips, and the
wheel then turns through another 350 rad as it coasts to a stop at constant angular acceleration.
(i) Through what total angle did the wheel turn between t = 0 and the time it again
stopped?
ANSWER: ______489 Rad


(ii) At what time did the wheel stop

i have no clue what to do here
 
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