A 61.0-kg skier starts from rest at the top of a ski slope of height 66.0 m . If frictional forces do −1.06×104J of work on her as she descends, how fast is she going at the bottom of the slope?

University Physics Volume 1
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ISBN:9781938168277
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Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 5CQ: What is the dominant factor that affects the speed of an object that started from rest down a...
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  1. A 61.0-kg skier starts from rest at the top of a ski slope of height 66.0 m .
    If frictional forces do −1.06×104J of work on her as she descends, how fast is she going at the bottom of the slope?
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