Multiple Choice
Alex throws a 0.25-kg rubber ball down onto the floor.The ball's speed just before impact is 4.5 m/s,and just after is 2.9 m/s.What is the change in the magnitude of the ball's momentum?
A) 0.39 kg⋅m/s
B) 1.9 kg⋅m/s
C) 1.1 kg⋅m/s
D) 0.73 kg⋅m/s
E) 7.4 kg⋅m/s
Correct Answer:

Verified
Correct Answer:
Verified
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