DYNAMICS
posted by KBROM .
A racecar is initially travelling at 75 mph at point A as it enters the Scurve shown. In order to successfully traverse the curve, the racecar driver applies his brakes and decelerates uniformly between point A and B. Point B is located 750 ft down the track from point A. After point B, the racecar driver accelerates uniformly for 850 ft until he returns the vehicleâ€™s speed to 75 mph at point C. If the total acceleration of the vehicle at point A and point C is 10 ft/s2, determine
the tangential acceleration at point A
the total acceleration and velocity at the car approaches point B
the radius of curvature of the track at point C.

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