7. Friction, Inclines, Systems
Kinetic Friction
5:35 minutes
Problem 5.104c
Textbook Question
Textbook QuestionA 68-kg water skier is being accelerated by a ski boat on a flat ('glassy') lake. The coefficient of kinetic friction between the skier's skis and the water surface is μₖ = 0.25 (Fig. 5–59).
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(c) Explain why the skier's acceleration in part (b) is greater than that in part (a).
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