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The tires on a new compact car have a diameter of 2.0 ft and are warranted for 60,000 miles. (a) Determine the angle (in radians) through which one of these tires will rotate during the warranty period (b) How many revolutions of the tire are equivalent to your answer in (a)? rev

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Answer #1

(A) d = R theta

60,000 x 1609 m = (2 x 0.3048 ft / 2) (theta)

theta = 3.167 x 10^8 rad  


(B) revolutions = theta / 2pi

= 50.4 x 10^6 revolutions

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