An automobile tire is rated to last for 50000 miles. To an order of magnitude, through how many revolutions will it turn over its lifetime?

Answer 1

If L=2πR ∼ 2 m and s =50000 miles =80467361 m =>
N =s/L = 80467361/2 = 40233680 rev.

Answer 2

What is the estimate to the number of revolutions that a tire will make in 500000 miles?

Answer 3

33,613,524

Answer 4

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