Asked by bejay
A car traveling 50 m/s has tires tires that with radii of 0.25 m. The driver of the car hits the brakes and brings the car to a stop in 5 seconds. What is the angular acceleration of the tires on the car?
Answers
Answered by
Henry
a = (0-50) / 5 = -10m/s^2.
C = pi*D = 3.14 * (2*0.25) = 1.57m/rev.
V=10m/S^2 * (1/1.57)rev/m * 6.28rad/rev
= 40rad/s^2.
C = pi*D = 3.14 * (2*0.25) = 1.57m/rev.
V=10m/S^2 * (1/1.57)rev/m * 6.28rad/rev
= 40rad/s^2.
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