Question: A train with a total mass of 2 10 6 kg rises 707 m in a travel distance of 62 km at an average

A train with a total mass of 2 × 10⁶ kg rises 707 m in a travel distance of 62 km at an average speed of 15.0 km/h. If the frictional force is 0.8% of the weight, find

(a) The kinetic energy of the train,

(b) The total change in its potential energy,

(d) The power output of the train's engines.

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