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View Full Version : Physics: Estimates and Order-of-Magnitude Calculations


tirsnee
Sep 4, 2007, 10:25 PM
An automobile tire is rated to last for 50 000 miles. Estimate the number of revolutions the tire will make in its lifetime.

Capuchin
Sep 4, 2007, 11:38 PM
You need to make an estimate of the radius of the wheel, then divide the circumference into the 50,000 mile figure.