Physics, 16.12.2020 18:30 mattmore0312
A 2 kg mass moving to the right makes an elastic head-on collision with a 4 kg mass moving to the left at 4 m/s. The 2 kg mass reverses direction after the collision and moves at 3 m/s. The 4 kg mass moves to the left at 1 m/s. What was the initial velocity of the 4 kg mass?
Answers: 1
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A 2 kg mass moving to the right makes an elastic head-on collision with a 4 kg mass moving to the le...
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