A skier of mass 80 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 55 m up a 30\deg slope (assumed frictionless) at a constant speed of 3.2 m/s? kJ (b) What power (expressed in hp) must a motor have to perform this task? hp
A skier of mass 80 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 55 m up a 30\deg slope (assumed frictionless) at a constant speed of 3.2 m/s? kJ (b) What power (expressed in hp) must a motor have to perform this task? hp
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 32P: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of...
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A skier of mass 80 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 55 m up a 30\deg slope (assumed frictionless) at a constant speed of 3.2 m/s? kJ (b) What power (expressed in hp) must a motor have to perform this task? hp
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