A fastpitch softball player can pitch the ball horizontally at 28.6 m/s (64 mph). If the distance from the pitcher's mound to home plate is 14 meters, how much time does it take the softball to get there? (5 points)

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.