Question

A 2285 kg freight train, coasting at 13 m/s, strikes a stationary 2465 kg box car. Determine the "CHANGE IN VELOCITY" for the freight train if the freight train and the box car couple together.

Answer 1

so use the final momentum is the same as the initial momentum. I can check your work.

Answer 2

Good grief. Please do not ask us if you have not read the chapter on Newton's first law.

Answer 3

I haven't heard or read the words "Good grief" in a long time.Lol Also Damon has a point. -.-