On an essentially frictionless, horizontal ice rink, a skater moving at v = 3.0 m/s encounters a rough patch that reduces her speed to 45% due to a friction force that is 25% of her weight (w). Use the work-energy theorem to find the length of this rough path. Express first your answer in terms of any or all of the variables v, w, and g (acceleration due to gravity), and then its numerical value
On an essentially frictionless, horizontal ice rink, a skater moving at v = 3.0 m/s encounters a rough patch that reduces her speed to 45% due to a friction force that is 25% of her weight (w). Use the work-energy theorem to find the length of this rough path. Express first your answer in terms of any or all of the variables v, w, and g (acceleration due to gravity), and then its numerical value
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Energy Of A System
Section: Chapter Questions
Problem 3OQ
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On an essentially frictionless, horizontal ice rink, a skater moving at v = 3.0
m/s encounters a rough patch that reduces her speed to 45% due to a friction force that is 25%
of her weight (w). Use the work-energy theorem to find the length of this rough path.
Express first your answer in terms of any or all of the variables v, w, and g (acceleration due to
gravity), and then its numerical value
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