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OpenStudy (anonymous):
if a bus is going at the rate of 66km/h and the radius of wheel is 70cm then how many revolutions will be taken by bus in a minute.
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OpenStudy (anonymous):
66 km/h = 18.3333 m/s wheel outside = 2*pi*r = 4.4 m 18.333/4.4*60 = 250 revs
OpenStudy (anonymous):
i got 25.3 something
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