An automobile engine slows down from 3500 rpm to 1100 rpm in 4.5 s.
(a) Calculate its angular acceleration, assumed constant.
rad/s2
(b) Calculate the total number of revolutions the engine makes in this time.
rev
I got answer for part a that is -55.81rad/s^2 but it is difficult to find part b
1 answer
Ans is 172.5 rpm/min
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