Imagine that we have two identical carts on a track. Cart one comes in at a velocity v and collide elastically with cart 2. What do you expect is the…

Imagine that we have two identical carts on a track. Cart one comes in at a velocity v and collide elastically with cart 2.  What do you expect is the velocity of cart 1 after the collision?  What happens to the velocity of Cart 2, again after the collision? Explain