A skier of mass 70 kg is pulled up a slope by a motor driven cable. (a) How much work is required to pull him 60m up a 30o slope (assumed frictionless) at a constant speed of 2.0 m/s? (b) What power must a motor have to perform this task. show a free body diagram
A skier of mass 70 kg is pulled up a slope by a motor driven cable. (a) How much work is required to pull him 60m up a 30o slope (assumed frictionless) at a constant speed of 2.0 m/s? (b) What power must a motor have to perform this task. show a free body diagram
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter10: Work, Energy And Machines
Section: Chapter Questions
Problem 40A
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A skier of mass 70 kg is pulled up a slope by a motor driven cable. (a) How much work is required to pull him 60m up a 30o slope (assumed frictionless) at a constant speed of 2.0 m/s? (b) What power must a motor have to
perform this task. show a free body diagram
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