Question: A loaded train freight car (10 metric tons) rolls at 2 m/s East towards another freight car. The second freight car is traveling West at

A loaded train freight car (10 metric tons) rolls at 2 m/s East towards another freight car. The second freight car is traveling West at 3 m/s. Its mass is 15,000 kg. Upon collision the two cars lock together. What is the speed and direction of the two cars after the collision?

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