PRACTICE IT Use the worked example above to help you solve this problem. A skier starts from rest at the top of a frictionless incline of height 20.0 m, as shown in the figure. At the bottom of the incline, the skier encounters a horizontal surface where the coefficient of kinetic friction between skis and snow is 0.226. Neglect air resistance. (a) Find the skier's speed at the bottom. v m/s 19.79 (b) How far does the skier travel on the horizontal surface before coming to rest? 88.50 EXERCISE HINTS: GETTING STARTED | I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. Find the horizontal distance travels before coming to rest if the incline also has a coefficient of kinetic friction equal to 0.226. Assume skier that 0 = 20.0°. What is the initial energy of the skier? How much work is done as the skier slides down the incline? How much work is done as the skier slides to a stop on the horizontal surface? In other words, write expressions for these three amounts of energy, then relate them to each other. m Need Help? Read It O Show My Work (Optional)

PRACTICE IT Use the worked example above to help you solve this problem. A skier starts from rest at the top of a frictionless incline of height 20.0 m, as shown in the figure. At the bottom of the incline, the skier encounters a horizontal surface where the coefficient of kinetic friction between skis and snow is 0.226. Neglect air resistance. (a) Find the skier's speed at the bottom. v m/s 19.79 (b) How far does the skier travel on the horizontal surface before coming to rest? 88.50 EXERCISE HINTS: GETTING STARTED | I'M STUCK! Use the values from PRACTICE IT to help you work this exercise. Find the horizontal distance travels before coming to rest if the incline also has a coefficient of kinetic friction equal to 0.226. Assume skier that 0 = 20.0°. What is the initial energy of the skier? How much work is done as the skier slides down the incline? How much work is done as the skier slides to a stop on the horizontal surface? In other words, write expressions for these three amounts of energy, then relate them to each other. m Need Help? Read It O Show My Work (Optional)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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