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(Figure 1) A roller coaster car may be approximated by a block of mass m. The car, which starts from rest, is released. at a height h above the ground and slides along a frictionless track. The car encounters a loop of radius R, as shown. Assume that the initial height h is great enough so that the car never loses contact with the track. Figure 1 of 1 Y Part A Y Find an expression for the kinetic energy of the car at the top of the loop. Express the kinetic energy in terms of m, g, h, and R. > View Available Hint(s) K= Submit Part B Find the minimum initial height h at which the car can be released that still allows the car to stay in contact with the track at t Express the minimum height in terms of R. ▸ View Available Hint(s) hmin= 195) ΑΣΦ Submit 195| ΑΣΦ Pearson ?

(Figure 1) A roller coaster car may be approximated by a block of mass m. The car, which starts from rest, is released. at a height h above the ground and slides along a frictionless track. The car encounters a loop of radius R, as shown. Assume that the initial height h is great enough so that the car never loses contact with the track. Figure 1 of 1 Y Part A Y Find an expression for the kinetic energy of the car at the top of the loop. Express the kinetic energy in terms of m, g, h, and R. > View Available Hint(s) K= Submit Part B Find the minimum initial height h at which the car can be released that still allows the car to stay in contact with the track at t Express the minimum height in terms of R. ▸ View Available Hint(s) hmin= 195) ΑΣΦ Submit 195| ΑΣΦ Pearson ?

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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An object of mass 4.0 kg starts at rest from the top of a rough inclined plane of height 10 m as shown in the figure. If the speed of the object at the bottom of the inclined plane is 10 m/s, how much work does friction do
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