Question #6425919Single Choice
Physics
Question
A 5 kg ball falls vertically to the floor with a velocity of 5 m/s. After bouncing, it moves upward with a velocity of 3 m/s. If the downward direction is taken as positive, what is the change in the ball's momentum?
Options
A
25 kg·m/s
B
-15 kg·m/s
C
-40 kg·m/s
D
10 kg·m/s