Physics, asked by rishinair2049, 3 months ago

An engine of 102 kg is moving up an inclined plane of inclination 45 with a speed of 40 m/s. The coefficient of friction between rail and engine is 0.6 . If the efficiency of engine is 75% , then what is amount of energy spent by engine in 20 seconds:

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Answers

Answered by anrichchristian91

2

Answer:

90 percent

Explanation:

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