A force can change the,, and of an object. Three forces which can act from a distance are... Need Help ASAP HW due soon. 5 points and mark brainliest.

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.