Asked by Sam
An automobile with 0.310 m radius tires travels 85,000 km before wearing them out. How many revolutions do the tires make, neglecting any backing up and any change in radius due to wear?
Answers
Answered by
Henry
Circumference = pi * 2r = 3.14 * 0.620 =
1.95 m/rev.
8.5*10^7m * 1rev/1.95m = 4.36*10^7 Revs
= 43.6 Million Revs.
1.95 m/rev.
8.5*10^7m * 1rev/1.95m = 4.36*10^7 Revs
= 43.6 Million Revs.
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