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A race car accelerates uniformly from a speed of 39.0 m/s to a speed of 64.0 m/s in 5.00 s while traveling clockwise around a circular track of radius 4.40 102 m. When the car reaches a speed of 50.0 m/s, find the following.
Suppose the race car now slows down uniformly from 64.0 m/s to 33.0 m/s in 4.40 s to avoid an accident, while still traveling a circular path4.40 102 m in radius.
(a) Find the magnitude of the centripetal acceleration when the speed is 40.0 m/s.
m/s2
(b) Find the angular speed when the speed is 40.0 m/s.
rad/s
(c) Find the magnitude of the tangential acceleration when the speed is 40.0 m/s.
(d) Find the magnitude of the total acceleration when the speed is 40.0 m/s.
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