A train of mass 3.3 × 106 kg is moving at a constant speed up a slope inclined at an angle of 0.64° to the horizontal. The engine of the train is producing a useful output power of 14 MW.
Assume that there are no frictional forces opposing the motion of the train. What is the speed of the train?
A 0.43ms–1 B 4.2ms–1 C 39ms–1 D 380ms–1?
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