A 1.0 kg-ball moving at 2.0 m/s perpendicular to a wall rebounds from the wall at 1.5 m/s.The change in the momentum of the ball is:
A)zero
B)0.5 N∙s away from wall
C)0.5 N∙s toward wall
D)3.5 N∙s away from wall
E)3.5 N∙s toward wall

Question

Quizplus · Accepted Answer

The Answer of A 1.0 kg-ball moving at 2.0 m/s perpendicular to a wall rebounds from the wall at 1.5 m/s.The change in the momentum of the ball is:
A)zero
B)0.5 N∙s away from wall
C)0.5 N∙s toward wall
D)3.5 N∙s away from wall
E)3.5 N∙s toward wall

A 10 Kg-Ball Moving at 2