A 340-G Air Track Cart Traveling at 1

Multiple Choice

A 340-g air track cart traveling at 1.25 m/s collides elastically with a 300-g cart traveling in the opposite direction at 1.33 m/s. What is the speed of the 300-g cart after the collision?

A) 2.80 m/s
B) 0.0693 m/s
C) 0.899 m/s
D) 1.41 m/s
E) 0.475 m/s