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Vikentia [17]
3 years ago
13

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 re

sulting speed of the combined cars?
Physics
1 answer:
PilotLPTM [1.2K]3 years ago
7 0
Ok I don’t know the answer I’m in 5th grade but 2431 is wrong
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