9. In a factory, packages are moved from a room on the second floor to a station on the first floor using a metal ramp. When the company replaced the ramp with one made of a different type of metal, packages got to the bottom faster and broke more often. How did changing the material on the surface of the ramp change the speed of the packages? (The answer should be obviously connected to the formula F; = uEx or F;< µEx.)
9. In a factory, packages are moved from a room on the second floor to a station on the first floor using a metal ramp. When the company replaced the ramp with one made of a different type of metal, packages got to the bottom faster and broke more often. How did changing the material on the surface of the ramp change the speed of the packages? (The answer should be obviously connected to the formula F; = uEx or F;< µEx.)
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Transcribed Image Text:9. In a factory, packages are moved from a room on the second floor to a station on the first floor using a metal
ramp. When the company replaced the ramp with one made of a different type of metal, packages got to the bottom
faster and broke more often. How did changing the material on the surface of the ramp change the speed of the
packages? (The answer should be obviously connected to the formula F, = uEx or F;S HEx:)
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