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4 m/s moving
Mass A has a mass of ma = 1 kg and an initial velocity JAi
4.
to the right and mass B has a mass of mB = 3 kg and an initial velocity UB; = 2 m/s,
also to the right. Mass A starts out to the left of mass B, but catches up and collides
with mass B elastically. What are the final velocities of mass A and mass B? Ignore
friction.
2 m/s
4 m/s
3 kg
1 kg

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