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Name: A 45 kg skier starts from rest and skies down a hill that is angled at
Uploaded: 2024-03-20T06:57:25.000Z
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Description: A 45 kg skier starts from rest and skies down a hill that is angled at 17 degrees from horizontal. The skier reaches the bottom of the hill after traveling a distance of 27 m at which point the ground becomes level. The coefficient of kinetic frictio

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 8PE: Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a 60.0°...

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A 45 kg skier starts from rest and skies down a hill that is angled at 17 degrees from horizontal. The skier reaches the bottom of the hill after traveling a distance of 27 m at which point the ground becomes level. The coefficient of kinetic friction for the skies and the hill is 0.15.

a. calculate the work done by gravity in reaching the bottom of the hill.

b. calculate the work done by friction in reaching the bottom of the hill.

c. Using the work and energy, calculate the skier's speed when reaching the bottom of the hill.

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