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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 car at rest. What is the resulting speed of the combined cars?

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 car at rest. What is the resulting speed of the combined cars?

User Carlos Mora
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1 Answer

9 votes
Ok I don’t know the answer I’m in 5th grade but 2431 is wrong
User Anton Sizikov
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