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Physics, 18.02.2021 06:30 crookdamian21
A 20,000 kg railroad car is traveling at 5 m/s when it collides and couples with a second, identical car at rest. What is the resulting speed of the combined cars?
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A 20,000 kg railroad car is traveling at 5 m/s when it collides and couples with a second, identical...
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