Find the kinetic energy of the train.?
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A train with a total mass of 4 × 106 kg rises 535 m while traveling a distance of 50 km a tan average speed of 17 km/h. The frictional force is 0.8 percent of the weight. 1) Find the kinetic energy of the train. The acceleration of gravity is 9.81 m/s2 .Answer in units of MJ 2) Find the total change in its potential energy. Answer in units of J 3) Find the energy dissipated by friction. Answer in units of J 4) Find the power output of the train’s engines. Answer in units of MW
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Answer:
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