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Atrain with mass 1000kg is moving at 15 m/s south. a second train engine with a mass of 500 kg is sitting at rest on the tracks ahead. what is the magnitude of the total momentum of the entire system? assume that after the trains crash the first train comes to a stop at the point of the crash. how fast does the second train slide? assume that after the crash the trains stick together and slide as one. how fast to they slide? assume that after the crash the second train is sliding at 20 m/s south. what is the velocity of the first train?
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Atrain with mass 1000kg is moving at 15 m/s south. a second train engine with a mass of 500 kg is si...
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