Physics
Physics, 24.07.2021 17:00, Jackiebear4593

A railroad car (with a mass of 3250 kg) moves at 8.1 m/s . It collides with and couples to another car that was initially at rest. After the collision, the two cars move together at a speed of 4.50 m/s. What is the mass of the second car?

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A railroad car (with a mass of 3250 kg) moves at 8.1 m/s . It collides with and couples to another c...

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