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In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 69 kg skater goes around the turn at a constant 11 m/s. What is the horizontal force on the skater? What is the ratio of this force to the skater's weight?

In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 69 kg skater goes around the turn at a constant 11 m/s. What is the horizontal force on the skater? What is the ratio of this force to the skater's weight?

College Physics
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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26. In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 69 kg skater goes around the turn at a constant 11 m/s. What is the horizontal force on the skater? What is the ratio of this force to the skater's weight? 32. A roller-coaster track has six semicircular "dips" with different radii of curvature. The same roller-coaster cart rides through each dip at a different speed. For the different values given for the radius of curvature R and speed v, rank the magnitude of the force of the roller-coaster track on the cart at the bottom of each dip. Rank from largest to smallest. To rank items as equivalent, overlap them. v = 4 m/s v = 4 レ=8 m/s v = 12 v = 16 v = 16 m/s R= 15 m/s m/s m/s R= 15 R= 15 R= 30 R= 30 R= 60 m m
Transcribed Image Text:26. In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 69 kg skater goes around the turn at a constant 11 m/s. What is the horizontal force on the skater? What is the ratio of this force to the skater's weight? 32. A roller-coaster track has six semicircular "dips" with different radii of curvature. The same roller-coaster cart rides through each dip at a different speed. For the different values given for the radius of curvature R and speed v, rank the magnitude of the force of the roller-coaster track on the cart at the bottom of each dip. Rank from largest to smallest. To rank items as equivalent, overlap them. v = 4 m/s v = 4 レ=8 m/s v = 12 v = 16 v = 16 m/s R= 15 m/s m/s m/s R= 15 R= 15 R= 30 R= 30 R= 60 m m
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