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19-11-2022
Physics

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A downhill skier has her skis sharpened and waxed before every race. What effect would this have on her performance?

Respuesta :

19-11-2022

Answer: skier goes faster

Explanation:

Sharpening the skis reduces the surface area in contact with the snow, and the wax reduces the coefficient of friction between the skis and the snow. Less friction means less force in the opposing direction of the skier (downhill), so the skier goes faster.

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