Use the image above to answer all parts of this question. A 6000 kilogram roller coaster travels along the path shown. The height at A is 150 meters. The path A-D is frictionless. The path D-E is not frictionless. a) How fast must the roller coaster be moving at A to just barely make it over the hill at C which is 200 meters high? b) Consistent with your answer to part a), what is the height at B if the roller coaster has a speed of 50 m/s at B? c) What is the work done by friction along the path D-E if the velocity of the coaster is 50 m/s at E?

Use the image above to answer all parts of this question. A 6000 kilogram roller coaster travels along the path shown. The height at A is 150 meters. The path A-D is frictionless. The path D-E is not frictionless. a) How fast must the roller coaster be moving at A to just barely make it over the hill at C which is 200 meters high? b) Consistent with your answer to part a), what is the height at B if the roller coaster has a speed of 50 m/s at B? c) What is the work done by friction along the path D-E if the velocity of the coaster is 50 m/s at E?

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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Direction: Solve the problem below and write your answer on a separate sheet of paper. 1. At an airport, Anna is stationary, Bert is walking at a speed of 1.0 m/s, Carla is standing while Dodong is walking on a platform that moves with a speed of 2.0 m/s. Anna observes Bert, Carla, and Dodong be moving away from her in the same direction. Anna observes Dodong be moving away from her at a speed of 3.0 m/s. a. What is Anna's velocity relative to the ground or earth? b. What is Dodong's velocity with respect to Carla? c. What is Dodong's normal walking speed? d. What is Carla's velocity relative to Bert? 2. A boat is heading north as it crosses a wide river with a speed of 8.00 km/h relative to the water. The river has a uniform velocity of 6.00 km/h dues east. Determine the magnitude and direction of the boat's velocity with respect to an observer on the riverbank. (Note write all the possible direction of the motion)
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Figure 1 The diagram above (Figure 1) shows the situation for the three questions below (questions 1, 2, and 3). The numbers will change in each question but the situation is the same. Adam is pushing a cart which rolls on the floor with negligible friction. There is a book on top of the cart. The book moves with the cart (the book does not slide on the surface of the cart).
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