Asked by mssailormouth

A ball traveling with an initial momentum of 4.5 kgm/s bounces off a wall and comes back in the opposite direction with a momentum of –3.5 kgm/s. What is the change in momentum?

Answer:
-3.5-4.5=
-8 kgm/s?
Answered by R_scott
looks good
Answered by mssailormouth
Is the impulse also -8 or is the impulse positive 8?
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