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The angular velocity in revolutions per second of an 18 inch diameter tire on a vehicle that is traveling at 80 mph?
Wiki User
∙ 13y ago
First, the circumference of an 18 inch wheel is 18 * pi = 56.549 inches.
80 miles per hour is 80 * 5280 * 12 = 5069000 inches per hour. This is 5069000 / 3600 = 1408.06 inches per second.
So, 1408.06/56.549 = 24.90 rev per second.
Wiki User
∙ 13y ago
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