SOLUTION: A car is traveling at a speed of 45 miles per hour. Find the angular velocity of a tire in revolutions per minute if the diameter of each rim is 13 in. with 4 in. of tire between t
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Question 156361: A car is traveling at a speed of 45 miles per hour. Find the angular velocity of a tire in revolutions per minute if the diameter of each rim is 13 in. with 4 in. of tire between the road surface and each rim. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A car is traveling at a speed of 45 miles per hour. Find the angular velocity of a tire in revolutions per minute if the diameter of each rim is 13 in. with 4 in. of tire between the road surface and each rim.
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Perimeter of a tire = 34(pi) in.
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# of inches in a mile 5280 ft(12 in/ft) = 63360 inches
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# of revolutions of the wheel in a mile: 63360/34pi
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# of revolutions in an hour at 45 mph: 263459.2639 rev/hr
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Angular velocity: 263459(360) degrees/hr
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Cheers,
Stan H.
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