A train with a total mass 8.00E+6kg rises 775m as it travels a distance of 55.0km along a steady slope at a constant speed of 16.0km/hr. The frictional force on the train is 0.600 percent of the weight.
1. Discover the kinetic energy of the train.
2. Discover the total change in its potential energy.
3. Discover the energy dissipated by kinetic friction.
4. Discover the power output of the train engines.