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find train speed..only type

A train of mass 3.3 x 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. 0.43 m s¹
b. 4.2 ms¹
c. 39 ms¹
d. 380 m s¹
Transcribed Image Text:A train of mass 3.3 x 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. 0.43 m s¹ b. 4.2 ms¹ c. 39 ms¹ d. 380 m s¹
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