A ball with original momentum +4.0 kg m/s hits a wall and bounces straight back without...
Homework Answers
The change in momentum = P:final - P:initial where P is the momentum.
The initial P is +4 m/s and the final P is -4m/s.
Therefore the change in momentum is Pf - Pi = -4-(+4) = -8kgm/s
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A ball with original momentum +4.0 kg m/s hits a wall and bounces straight back without...
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