A railroad car with a mass of 25000 kg rolls into a second
A railroad car with a mass of 25,000 kg rolls into a second stationary car with a mass of 50,000 kg. The cars latch together and move off with a speed of 1.5 m/s. How fast was the first car moving before the collision? show all work.
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a railroad car with a mass of 25000 kg rolls into a second stationary car with a mass of 50000 kg the cars latch
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