Alex throws a 0.43-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5 m/s, and just after is 5.5 m/s. What is the magnitude of the change in the ball's momentum?

a. 0.09 kgm/s
c. 4.3 kgm/s
b. 1.0 kgm/s
d. 5.2 kgm/s


D

Physics & Space Science

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