A sledge loaded with bricks has a total mass of 18.0 kg and is pulled at a constant speed by a rope inclined at 20.0° above the horizontal. The sledge moves a distance of 20.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and the surface is µ 0.500. %3D a. What is the tension of the rope? b. How much work is done by the rope on the sledge? C. What is the mechanical energy lost due to friction?

A sledge loaded with bricks has a total mass of 18.0 kg and is pulled at a constant speed by a rope inclined at 20.0° above the horizontal. The sledge moves a distance of 20.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and the surface is µ 0.500. %3D a. What is the tension of the rope? b. How much work is done by the rope on the sledge? C. What is the mechanical energy lost due to friction?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 38PE: (a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a...

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