A 400 Kg Object Is Moving at 5

Multiple Choice

A 4.00 kg object is moving at 5.00 m/s SOUTH. It strikes a 3.00 kg object that is moving WEST at 2.00 m/s. The collision is perfectly inelastic. The kinetic energy lost in the collision is

A) 24.9 J.
B) 18.4 J.
C) 10.5 J.
D) 8.33 J.
E) 2.61 J.