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Home Q & A Board Science-Related Homework Help Physics
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Brelou Brelou
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7 years ago
A 50.0-kg skier starting from rest travels 200 m down a hill that has a 20.0° slope.  When the skier reaches the bottom of the hill, her speed is 30.0 m/s. 
(a)  How much work is done by friction as the skier comes down the hill?
(b)  What is the magnitude of the friction force if the skier travels directly down the hill?
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Physics

Physics


Edition: 4th
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Quantum physics thus reveals a basic oneness of the universe.
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mtown88mtown88
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4 years ago
thank you
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