Answer: A 72-kg water skier is being accelerated by a ski
Chapter 5, Problem 5.99(choose chapter or problem)
A 72-kg water skier is being accelerated by a ski boat on aflat (glassy) lake. The coefficient of kinetic frictionbetween the skiers skis and the water surface is = 0-25(Fig. 5-55). (a) What is the skiers acceleration if the ropepulling the skier behind the boat applies a horizontal tensionforce of magnitude FT = 240 N to the skier (0 = 0)?(b) What is the skiers horizontal acceleration if the ropepulling the skier exerts a force of FT = 240 N on the skierat an upward angle 6 = 12? (c) Explain why the skiersacceleration in part (b) is greater than that in part (a). FIGURE 5-55 99.
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