At time t=0 a grinding wheel has an angular velocity of 28.0 rad/s. It has a constant angular acceleration of 31.0 rad/s² until a circuit breaker trips at time t = 1.80 s. From then on, the wheel turns through an angle of 436 rad as it coasts to a stop at constant angular deceleration. Through what total angle did the wheel turn between t = 0 and the times Express your answer in radians. ▸ View Available Hint(s) ΤΟ ΑΣΦ ? rad

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Part A
At time t = 0 a grinding wheel has an angular
velocity of 28.0 rad/s. It has a constant angular
acceleration of 31.0 rad/s² until a circuit breaker
trips at time t = 1.80 s. From then on, the wheel
turns through an angle of 436 rad as it coasts to a
stop at constant angular deceleration.
Through what total angle did the wheel turn between t = 0 and the time it stopped?
Express your answer in radians.
▸ View Available Hint(s)
ΜΕ ΑΣΦ
?
Submit
Part B
At what time does the wheel stop?
Express your answer in seconds.
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ΜΕ ΑΣΦ
Submit
Part C
?
rad
S
What was the wheel's angular acceleration as it slowed down?
Express your answer in radians per second per second.
▸ View Available Hint(s)
ΕΠΙ ΑΣΦ
Submit
?
rad/
Transcribed Image Text:Part A At time t = 0 a grinding wheel has an angular velocity of 28.0 rad/s. It has a constant angular acceleration of 31.0 rad/s² until a circuit breaker trips at time t = 1.80 s. From then on, the wheel turns through an angle of 436 rad as it coasts to a stop at constant angular deceleration. Through what total angle did the wheel turn between t = 0 and the time it stopped? Express your answer in radians. ▸ View Available Hint(s) ΜΕ ΑΣΦ ? Submit Part B At what time does the wheel stop? Express your answer in seconds. ▸ View Available Hint(s) ΜΕ ΑΣΦ Submit Part C ? rad S What was the wheel's angular acceleration as it slowed down? Express your answer in radians per second per second. ▸ View Available Hint(s) ΕΠΙ ΑΣΦ Submit ? rad/
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