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Problem 2: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 97.5 kg, down a 60.0° slope at constant speed, as shown in the Figure. The coefficient of kinetic friction between the sled and the snow is 0.100. w 60° Otheexpert: Part (a) How much work, in joules, is done by friction as the sled moves 30.5 m along the hill? W; =- 1458.6 W = -1459 / Correct! Part (b) How much work, in joules, is done by the rope on the sled over this distance? W, = 2.38 * 104 W,= 23800 X Feedback: is available. Part (c) What is the work, in joules, done by the gravitational force on the sled? W = 2.53 * 104 W. = 25300 / Correct! Part (d) What is the net work done on the sled, in joules? W. 'net

Problem 2: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 97.5 kg, down a 60.0° slope at constant speed, as shown in the Figure. The coefficient of kinetic friction between the sled and the snow is 0.100. w 60° Otheexpert: Part (a) How much work, in joules, is done by friction as the sled moves 30.5 m along the hill? W; =- 1458.6 W = -1459 / Correct! Part (b) How much work, in joules, is done by the rope on the sled over this distance? W, = 2.38 * 104 W,= 23800 X Feedback: is available. Part (c) What is the work, in joules, done by the gravitational force on the sled? W = 2.53 * 104 W. = 25300 / Correct! Part (d) What is the net work done on the sled, in joules? W. 'net

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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Problem 2: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 97.5 kg, down a 60.0° slope at constant speed, as shown in the Figure. The coefficient of kinetic friction between the sled and the snow is 0.100. 60° ©theexpertta.com Part (a) How much work, in joules, is done by friction as the sled moves 30.5 m along the hill? W; = - 1458.6 W; = -1459 vCorrect! Part (b) How much work, in joules, is done by the rope on the sled over this distance? W, = 2.38 * 104 W, = 23800 X Feedback: is available. Part (c) What is the work, in joules, done by the gravitational force on the sled? W, = 2.53 * 104 W. = 25300 / Correct! Part (d) What is the net work done on the sled, in joules? Wnet = sin() cos() tan() 7 8 9 HOME cotan() asin() acos() E 4 5 6 atan() acotan() sinh() 1 2 3 cosh() ODegrees O Radians tanh() cotanh() END VOl BACKSPACE DEL CLEAR Submit Hint Feedback I give up!
Transcribed Image Text:Problem 2: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 97.5 kg, down a 60.0° slope at constant speed, as shown in the Figure. The coefficient of kinetic friction between the sled and the snow is 0.100. 60° ©theexpertta.com Part (a) How much work, in joules, is done by friction as the sled moves 30.5 m along the hill? W; = - 1458.6 W; = -1459 vCorrect! Part (b) How much work, in joules, is done by the rope on the sled over this distance? W, = 2.38 * 104 W, = 23800 X Feedback: is available. Part (c) What is the work, in joules, done by the gravitational force on the sled? W, = 2.53 * 104 W. = 25300 / Correct! Part (d) What is the net work done on the sled, in joules? Wnet = sin() cos() tan() 7 8 9 HOME cotan() asin() acos() E 4 5 6 atan() acotan() sinh() 1 2 3 cosh() ODegrees O Radians tanh() cotanh() END VOl BACKSPACE DEL CLEAR Submit Hint Feedback I give up!
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