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A. I. Using an example, explain how statistical friction can be advantageous or disadvantageous. II. Using an example, explain an advantage or disadvantage of kinetic friction. B. A skier descends a slope that makes a 60 dégres angle with the horizontal. I. If us =0.10 is the coefficient of static friction, does the skier move forward? Justify your answer. II. If µe =0.05 is the coefficient of kinetic friction between skis and snow, determines the acceleration of the skier, when in a state of motion. C. Two masses are connected to a string whose mass is zero. They are suspended from a pulley that connects two inclined planes. The mass ml is 8.0 kg, and the mass m2 is 12.0 kg. The kinetic coefficient of friction for the two inclined planes is 0.21. I. Determine the acceleration of the two masses. II. Determine the tension of the string. my 37

A. I. Using an example, explain how statistical friction can be advantageous or disadvantageous. II. Using an example, explain an advantage or disadvantage of kinetic friction. B. A skier descends a slope that makes a 60 dégres angle with the horizontal. I. If us =0.10 is the coefficient of static friction, does the skier move forward? Justify your answer. II. If µe =0.05 is the coefficient of kinetic friction between skis and snow, determines the acceleration of the skier, when in a state of motion. C. Two masses are connected to a string whose mass is zero. They are suspended from a pulley that connects two inclined planes. The mass ml is 8.0 kg, and the mass m2 is 12.0 kg. The kinetic coefficient of friction for the two inclined planes is 0.21. I. Determine the acceleration of the two masses. II. Determine the tension of the string. my 37

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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A. I. Using an example, explain how statistical friction can be advantageous or disadvantageous. II. Using an example, explain an advantage or disadvantage of kinetic friction. B. A skier descends a slope that makes a 60 dégres angle with the horizontal. I. If us =0.10 is the coefficient of static friction, does the skier move forward? Justify your answer. II. If µe =0.05 is the coefficient of kinetic friction between skis and snow, determines the acceleration of the skier, when in a state of motion. C. Two masses are connected to a string whose mass is zero. They are suspended from a pulley that connects two inclined planes. The mass ml is 8.0 kg, and the mass m2 is 12.0 kg. The kinetic coefficient of friction for the two inclined planes is 0.21. I. Determine the acceleration of the two masses. II. Determine the tension of the string. my 37
Transcribed Image Text:A. I. Using an example, explain how statistical friction can be advantageous or disadvantageous. II. Using an example, explain an advantage or disadvantage of kinetic friction. B. A skier descends a slope that makes a 60 dégres angle with the horizontal. I. If us =0.10 is the coefficient of static friction, does the skier move forward? Justify your answer. II. If µe =0.05 is the coefficient of kinetic friction between skis and snow, determines the acceleration of the skier, when in a state of motion. C. Two masses are connected to a string whose mass is zero. They are suspended from a pulley that connects two inclined planes. The mass ml is 8.0 kg, and the mass m2 is 12.0 kg. The kinetic coefficient of friction for the two inclined planes is 0.21. I. Determine the acceleration of the two masses. II. Determine the tension of the string. my 37
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