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Now suppose the initial velocity of the train is 4 m/s and the hill is 4 meters tall. If the train has a mass of 30000 kg, what is the value of the spring constant if the spring is compressed from its rest length to a maximum depth of 2.4 m by the train
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Now suppose the initial velocity of the train is 4 m/s and the hill is 4 meters tall. If the train h...
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