86. A 3.00-kg block is placed at the top of a track consisting of two frictionlessquarter circles of radius R = 2.00 m connected by a 7.00-m-long, straight,horizontal surface (Figure 6-52). The coefficient of kinetic friction between theblock and the horizontal surface is uk = 0.100. The block is released from rest.What maximum vertical height does the block reach on thethe track? Example 6-11right-handsection ofx = 0RFreedman, College Physics, 3e, 2021W. H. Freeman and CompanyFigure 6-52 Problem 8687. An object is released from rest on a frictionless ramp of angle 0₁ = 60.0°,

According to work-energy theorem Work done by all forces =Change is kinetic energy But if there is…

86. A 3.00-kg block is placed at the top of a track consisting of two frictionless quarter circles of radius R = 2.00 m connected by a 7.00-m-long, straight, horizontal surface (Figure 6-52). The coefficient of kinetic friction between the block and the horizontal surface is pk = 0.100. The block is released from rest. What maximum vertical height does the block reach on the the track? Example 6-11 right-hand section of x = 0 Figure 6-52 Problem 86 R Freedman, College Physics, 3e, 2021 W. H. Freeman and Company

86. A 3.00-kg block is placed at the top of a track consisting of two frictionless quarter circles of radius R = 2.00 m connected by a 7.00-m-long, straight, horizontal surface (Figure 6-52). The coefficient of kinetic friction between the block and the horizontal surface is pk = 0.100. The block is released from rest. What maximum vertical height does the block reach on the the track? Example 6-11 right-hand section of x = 0 Figure 6-52 Problem 86 R Freedman, College Physics, 3e, 2021 W. H. Freeman and Company

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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99. A 20.0-g object is placed against the free end of a spring (k equal to 25.0 N/m) that is compressed 10.0 cm (Figure 6-53). Once released, the object slides 1.25 m across the tabletop and eventually lands 1.60 m from the edge of the table on the floor, as shown. Is there friction between the object and the tabletop? If there is, what is the coefficient of kinetic friction? The sliding distance on the tabletop includes the 10.0-cm compression of the spring, and the tabletop is 1.00 m above the floor level. Example 6-13
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A piano mover is pushing a 240-kg piano a distance d=5.0 m with a force parallel to the floor of magnitude FP=480N. The coefficient of kinetic friction between the floor and the piano is μ?=0.180. a)Find the work done by the piano mover on the piano. b)Find the work done by the friction force. c)Find the work done by the gravitational and normal forces. d)Find the speed of the piano after it moved 5.0 m assuming it started from rest.
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Question 8 8 of 15 I Review A skateboarder at a skate park rides along the path shown in (Figure 1). Part A For the steps and strategies involved in solving a similar problem, you may view the following Example 8-10 video: If the speed of the skateboarder at point A is v = 1.3 m/s, what is her speed at point B? Assume that friction is negligible. SOLUTION E,- E U, + K, - + K Express your answer using appropriate units. y- 4.1 m/s HẢ ? m- 55 kg Value Units Figure 1 of 1 Submit Request Answer Provide Feedback Next > 2.7 m 1.0 m A В