Question

a tire has a tread pattern with a crevice every 3.5 cm. each crevice makes a single vibration as the tire moves. what is the frequency of these vibrations if the car moves at 29 m/s?

Answer 1

V = N * d V = speed of car, N = vibrations / sec, d = separation of vibrations

N = 29 m/s / .035 m = 829 / s

829 / s is the frequency of vibrations