SOLUTION: The diameter of bus wheel is 90 meter. it takes 315 revolution in a minute . determine the speed in kilometer per hour?
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Question 690473: The diameter of bus wheel is 90 meter. it takes 315 revolution in a minute . determine the speed in kilometer per hour?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The diameter of bus wheel is 90 meter. it takes 315 revolution in a minute . determine the speed in kilometer per hour?
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Circumference = pi*d = 90pi meters
r = 90pi*315 meters/minute
r = 90pi*315*60/1000 km/hr
r = 1701pi km/hr
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That's a large wheel, and a fast bus.
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