During a Collision with a Wall, the Velocity of a 0.200-Kg

Multiple Choice

During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the wall to 12.0 m/s away from the wall. If the time the ball was in contact with the wall was 60.0 ms, what was the magnitude of the average force applied to the ball?

A) 40.0 N
B) 107 N
C) 16.7 N
D) 26.7 N
E) 13.3 N