With what speed does the combined mass start to move

Reference no: EM13490925

In a freight yard a train is being made up. An empty freight car, coasting at 10 m/s, strikes a loaded car that is stationary, and the cars couple together. Each of the cars has a mass of 3600 kg when empty, and the loaded car contains 12000 kg of bottled soft drinks. With what speed does the combined mass start to move?

Reference no: EM13490925

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