Problem 5: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 75 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° Part (a) How much work, in joules, is done by friction as the sled moves 30.5 m along the hill? Numeric : A numeric value is expected and not an expression. We = Part (b) How much work, in joules, is done by the rope on the sled over this distance? Numeric : A numeric value is expected and not an expression. W. =
Problem 5: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 75 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° Part (a) How much work, in joules, is done by friction as the sled moves 30.5 m along the hill? Numeric : A numeric value is expected and not an expression. We = Part (b) How much work, in joules, is done by the rope on the sled over this distance? Numeric : A numeric value is expected and not an expression. W. =
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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Work and Kinetic Energy Q5: Please answer each part step by step and explain each step (even if minor) in detail please.
Transcribed Image Text:Problem 5: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with
a combined mass of 75 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°
Part (a) How much work, in joules, is done by friction as the sled moves 30.5 m along the hill?
Numeric : A numeric value is expected and not an expression.
Wf=
Part (b) How much work, in joules, is done by the rope on the sled over this distance?
Numeric : A numeric value is expected and not an expression.
Wr
Part (c) What is the work, in joules, done by the gravitational force on the sled?
Numeric : A numeric value is expected and not an expression.
W.
g
Part (d) What is the net work done on the sled, in joules?
Numeric : A numeric value is expected and not an expression.
W,
net
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