Physics, 01.03.2021 01:00 jessv01

In a railroad yard, a train is being assembled. An empty boxcar, coasting at 3.0 m/s, strikes a loaded car that is stationary, and the cars couple together. Each of the boxcars has a mass of 9000 kg when empty, and the loaded car contains 55,000 kg of lumber.

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In a railroad yard, a train is being assembled. An empty boxcar, coasting at 3.0 m/s, strikes a load...