Suppose that the tires are capable of exerting a maximum net friction force of 626 lb . If the car is traveling at 52.5 ft/s , what is the minimum curvature of the road that will allow the car to accelerate at 3.65 ft/s2 without sliding? The weight of the car is 3250 lbs

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.