9. Work & Energy
Power
8:27 minutes
Problem 9g
Textbook Question
Textbook QuestionA farmer uses a tractor to pull a 150 kg bale of hay up a 15° incline to the barn at a steady 5.0 km/h . The coefficient of kinetic friction between the bale and the ramp is 0.45. What is the tractor's power output?
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