Answer to Question #5078 in Mechanics | Relativity for nick

Question #5078
The warranty on a new tire says that an automobile can travel for a distance of 102,000 km before the tire wears out. The radius of the tire is 0.35 m. How many revolutions does the tire make before wearing out?
1
Expert's answer
2011-11-11T10:40:41-0500
The length of tire circumference is L = 2πr = 2*3.14*0.35 = 2.198 m. So, the tire makes
N =& 102000*1000/2.198 = 46405823,5 revolutions before wearing out.

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