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A flywheel turns through 40 rev as it sl...

A flywheel turns through 40 rev as it slows from an angular speed of 1.5 rad/s to a stop. (a) Assuming a constant angular acceleration, find the time for it to come to rest. (b) What is its angular acceleration? ( c) How much time is required for it to complete the first 20 of the 40 revolutions?

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(a) `3.4xx10s`, (b) `-4.5xx10^(-3)rad//s^(2)`, ( c) 98 s
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