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1. The figure below shows a block of mass 4.3 kg at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 34 cm that has a coefficient of kinetic friction µk equal to 0.46. a) Rough patch If the block hits the rough patch with a speed of 6.2 m/s, calculate the height of the ramp. Include units in your final answer. b) Determine the speed of the block after passing through the rough patch. Include units in your final answer. c) A physics student from some other school thinks that if we increased the mass of the block while releasing it from the same height, the block will be able to make it past the rough patch faster than before. Are they correct? no lolwut? I can't. yes d) Explain your selection from part (c)

1. The figure below shows a block of mass 4.3 kg at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 34 cm that has a coefficient of kinetic friction µk equal to 0.46. a) Rough patch If the block hits the rough patch with a speed of 6.2 m/s, calculate the height of the ramp. Include units in your final answer. b) Determine the speed of the block after passing through the rough patch. Include units in your final answer. c) A physics student from some other school thinks that if we increased the mass of the block while releasing it from the same height, the block will be able to make it past the rough patch faster than before. Are they correct? no lolwut? I can't. yes d) Explain your selection from part (c)

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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1. The figure below shows a block of mass 4.3 kg at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 34 cm that has a coefficient of kinetic friction µk equal to 0.46. a) Rough patch If the block hits the rough patch with a speed of 6.2 m/s, calculate the height of the ramp. Include units in your final answer. b) Determine the speed of the block after passing through the rough patch. Include units in your final answer. c) A physics student from some other school thinks that if we increased the mass of the block while releasing it from the same height, the block will be able to make it past the rough patch faster than before. Are they correct? no lolwut? I can't. yes d) Explain your selection from part (c)
Transcribed Image Text:1. The figure below shows a block of mass 4.3 kg at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 34 cm that has a coefficient of kinetic friction µk equal to 0.46. a) Rough patch If the block hits the rough patch with a speed of 6.2 m/s, calculate the height of the ramp. Include units in your final answer. b) Determine the speed of the block after passing through the rough patch. Include units in your final answer. c) A physics student from some other school thinks that if we increased the mass of the block while releasing it from the same height, the block will be able to make it past the rough patch faster than before. Are they correct? no lolwut? I can't. yes d) Explain your selection from part (c)
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