Question: An automobile engine slows down from 45000 rpm to 1200 rpm in 2.5s. Calculate (a) Its angular acceleration, assumed constant, and (b) The total number

An automobile engine slows down from 45000 rpm to 1200 rpm in 2.5s. Calculate
(a) Its angular acceleration, assumed constant, and
(b) The total number of revolutions the engine makes in this time.

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