A car is traveling at constant speed of v = 29 m/s. Its tires have a diameter of d = 0.53 m. v = 29 m/s d = 0.53 m

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section5.3: Nonuniform Circular Motion
Problem 5.5QQ: Which of the following is impossible for a car moving in a circular path? Assume that the car is...
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 A car is traveling at constant speed of v = 29 m/s. Its tires have a diameter of d = 0.53 m.

v = 29 m/s
d = 0.53 m

Consider a point on the outer edge of the tire. What is the centripetal acceleration, ac, at this point in m/s2
ac =

 

If the car was traveling twice as fast, what would be the numerical value of the ratio of the new centripetal acceleration, an, to the old centripetal acceleration? 
an/ac =   
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