(6) A car wheel 30 cm in radius is turning at a rate of 8.0 rev/s when the car begins to slow uniformly to rest in time of 14 s. Find the number of revolutions made by the wheel and the distance the car goes in t 14 s.
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- A wheel starts from rest with a constant acceleration. It completes one complete revolution in 5 seconds. After how much time (after being started) will it complete 7 revolutions.An automobile engine slows down from 2500 rpm to 1200 rpm in 2.5 s. Calculate its average angular acceleration, assumed constantA car accelerates uniformly from rest and reaches a speed of 14.8 m/s in 5.2 s. diameter of a tire is 39 cm. The Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev.
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