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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?

Expert's answer
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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