An 80-Kg Object Moving 4

Multiple Choice

An 8.0-kg object moving 4.0 m/s in the positive x direction has a one-dimensional collision with a 2.0-kg object moving 3.0 m/s in the opposite direction. The final velocity of the 8.0-kg object is 2.0 m/s in the positive x direction. What is the total kinetic energy of the two-mass system after the collision?

A) 32 J
B) 52 J
C) 41 J
D) 25 J
E) 29 J