7. Friction, Inclines, Systems
Kinetic Friction
7:16 minutes
Problem 5.104b
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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(b) What is the skier's horizontal acceleration if the rope pulling the skier exerts a force of F_T = 240N on the skier at an upward angle θ = 12° ?
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