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Question
A 5000-kg freight car moving at 2 m/s collides with a 10,000-kg freight car at rest. They couple upon collision and move away atA) 2 m/s.
B) 1 m/s.
C) 2/3 m/s.
D) 1/3 m/s.
Answer
This answer is hidden. It contains 1 characters.
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