A train pulled by a diesel engine moves down a track at 21.6 m/s. The mass of
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A train pulled by a diesel engine moves down a track at 21.6 m/s. The mass of the diesel engine is 113000 kg, and the mass of each of the 10 cars is 91,500 kg. If the train attempts to coast up a hill of height 10.74 m, what is its final velocity at the top of the hill?
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