physics
posted by christina .
An automobile tire is rated to last for 45,000 miles. Estimate the number of revolutions the tire will make in its lifetime.

Dia. = 20in.
1rev = 3.14 * 20 = 62.8in = 5.2ft.
45000mi * 5280ft/mi * (1/5.2)rev/ft =
45,692,308.rev.
Respond to this Question
Similar Questions

Physics
The warranty on a new tire says that an automobile can travel for a distance of 92,000km before the tire wears out. The radius of the tire is 0.33m. How many revolutions does the tire make before wearing out? 
physics
An automobile tire is rated to last for 60,000 miles. To an order of magnitude, through how many revolutions will it turn? 
physics
An automobile tire is rated to last for 60,000 miles. To an order of magnitude, through how many revolutions will it turn? 
statistics
one of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40,000 miles. The tire company beleives that the tire actually lasts more than 40,000 miles. A sample of 49 tires reveales … 
STATS
The top selling Red and Voss tire is rated 70,000 miles means nothing. In fact, the distance the tires can run until they wear out is a normally distributed random variable with a mean of 82,000 miles and a standard deviation of 6,400. … 
phys
An automobile tire is rated to last for 35,000 miles. To an order of magnitude, through how many revolutions will it turn? 
Physics
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? 
statistic
one of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40,000 miles. The tire company beleives that the tire actually lasts more than 40,000 miles. A sample of 49 tires reveales … 
Statistics
The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean 43 and standard deviation 7. Find the percentile corresponding to p = 29% of the tire lifetimes. 
geometry
a monster truck's is 8 ft in diameter. during the last event, the tire rolled for 3 miles. how many revolutions did the tire make?