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Between two ski hills, there is a valley. Hill 1 is 735m and the second hill is 625m. From point A to point B, a skier skis. The skier starts at rest at point A and finishes at rest at point B. Between the two points, the total length of the path is 4.11m with an average slope of 40 degrees from the horizontal. a) Sketch the free body diagram and show all the forces on the skier. Indicate the location where the gravitational potential energy is equal to zero on the diagram. b) assuming the system is skier and the earth, and there is friction involved between the ski and the snowy ground ( coefficient of kinetic friction), determine the thermal energy that is lost to the surrounding when the skier is skiing from point A to point B in terms of variables, m, L and theta c) Calculate the value of coefficient of kinetic friction between snow and ski which would make the skier stop at the top of the lower point B

Between two ski hills, there is a valley. Hill 1 is 735m and the second hill is 625m. From point A to point B, a skier skis. The skier starts at rest at point A and finishes at rest at point B. Between the two points, the total length of the path is 4.11m with an average slope of 40 degrees from the horizontal. a) Sketch the free body diagram and show all the forces on the skier. Indicate the location where the gravitational potential energy is equal to zero on the diagram. b) assuming the system is skier and the earth, and there is friction involved between the ski and the snowy ground ( coefficient of kinetic friction), determine the thermal energy that is lost to the surrounding when the skier is skiing from point A to point B in terms of variables, m, L and theta c) Calculate the value of coefficient of kinetic friction between snow and ski which would make the skier stop at the top of the lower point B

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Between two ski hills, there is a valley. Hill l is 735m and the second hill is 625m. From point A to point B, a skier skis. The skier starts at rest at point A and finishes at rest at point B. Between the two points, the total length of the path is 4.11m with an average slope of 40 degrees from the horizontal. a) Sketch the free body diagram and show all the forces on the skier. Indicate the location where the gravitational potential energy is equal to zero on the diagram. b) assuming the system is skier and the earth, and there is friction involved between the ski and the snowy ground ( coefficient of kinetic friction), determine the thermal energy that is lost to the surrounding when the skier is skiing from point A to point B in terms of variables, m, L and theta c) Calculate the value of coefficient of kinetic friction between snow and ski which would make the skier stop at the top of the lower point B
Transcribed Image Text:Between two ski hills, there is a valley. Hill l is 735m and the second hill is 625m. From point A to point B, a skier skis. The skier starts at rest at point A and finishes at rest at point B. Between the two points, the total length of the path is 4.11m with an average slope of 40 degrees from the horizontal. a) Sketch the free body diagram and show all the forces on the skier. Indicate the location where the gravitational potential energy is equal to zero on the diagram. b) assuming the system is skier and the earth, and there is friction involved between the ski and the snowy ground ( coefficient of kinetic friction), determine the thermal energy that is lost to the surrounding when the skier is skiing from point A to point B in terms of variables, m, L and theta c) Calculate the value of coefficient of kinetic friction between snow and ski which would make the skier stop at the top of the lower point B
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