A skier with a mass of 80 kg starts from rest at the top of a ski slope 75.0 m high. Assuming negligible friction between the skis and the snow, how fast is she going at the bottom of the slope? Now moving horizontally, the skier crosses a patch of rough snow, where the coefficient of friction is 0.2. If the patch is 225 m wide, how fast is she going after crossing the patch? The skier hits a snow drift and penetrates 2.5 m into it before coming to a stop. What is the average force exerted on her by the snowdrift as it stops her?
A skier with a mass of 80 kg starts from rest at the top of a ski slope 75.0 m high. Assuming negligible friction between the skis and the snow, how fast is she going at the bottom of the slope? Now moving horizontally, the skier crosses a patch of rough snow, where the coefficient of friction is 0.2. If the patch is 225 m wide, how fast is she going after crossing the patch? The skier hits a snow drift and penetrates 2.5 m into it before coming to a stop. What is the average force exerted on her by the snowdrift as it stops her?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:A skier with a mass of 80 kg starts from rest at
the top of a ski slope 75.0 m high.
Assuming negligible friction between the skis
and the snow, how fast is she going at the
bottom of the slope? Now moving horizontally,
the skier crosses a patch of rough snow,
where the coefficient of friction is 0.2. If the
patch is 225 m wide, how fast is she going
after crossing the patch? The skier hits a snow
drift and penetrates 2.5 m into it before
coming to a stop. What is the average force
exerted on her by the snowdrift as it stops
her?
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