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An 86 kg person stands on a uniform 8.8 kg ladder that is 4.0 m long, as shown in the figure(Figure 1). The floor is rough; hence, it exerts both a normal force, f1, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Part B Express your answer using two significant figures. ? f2 = kN Submit Request Answer Figure 1 of 1 Part C Express your answer using two significant figures. a-3.8 m f3 = 170 kN Submit Previous Answers Request Answer b=0.70 m X Incorrect; Try Again; 5 attempts remaining

An 86 kg person stands on a uniform 8.8 kg ladder that is 4.0 m long, as shown in the figure(Figure 1). The floor is rough; hence, it exerts both a normal force, f1, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Part B Express your answer using two significant figures. ? f2 = kN Submit Request Answer Figure 1 of 1 Part C Express your answer using two significant figures. a-3.8 m f3 = 170 kN Submit Previous Answers Request Answer b=0.70 m X Incorrect; Try Again; 5 attempts remaining

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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Part A, B and C.

An 86 kg person stands on a uniform 8.8 kg ladder that is 4.0 m long, as shown in the figure(Figure 1). The floor is rough; hence, it exerts both a normal force, f1, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Part B Express your answer using two significant figures. Hνα ΑΣφ 画]? f2 = kN Submit Request Answer Figure 1 of 1 Part C Express your answer using two significant figures. ? a = 3.8 m f3 = 170 kN ng Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining h=0.70 m
Transcribed Image Text:An 86 kg person stands on a uniform 8.8 kg ladder that is 4.0 m long, as shown in the figure(Figure 1). The floor is rough; hence, it exerts both a normal force, f1, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Part B Express your answer using two significant figures. Hνα ΑΣφ 画]? f2 = kN Submit Request Answer Figure 1 of 1 Part C Express your answer using two significant figures. ? a = 3.8 m f3 = 170 kN ng Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining h=0.70 m
An 86 kg person stands on a uniform 8.8 kg ladder that is 4.0 m long, as shown in the figure(Figure 1). The floor is rough; hence, it exerts both a normal force, fi, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Part A Using the dimensions given in the figure, find the magnitudes of f1, f2, and f3. Express your answer using two significant figures. 画] ? fi = 920 kN Figure 1 of 1 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B a= 3.8 m Express your answer using two significant figures. ng 画] ? h=0.70 m f2 = kN
Transcribed Image Text:An 86 kg person stands on a uniform 8.8 kg ladder that is 4.0 m long, as shown in the figure(Figure 1). The floor is rough; hence, it exerts both a normal force, fi, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Part A Using the dimensions given in the figure, find the magnitudes of f1, f2, and f3. Express your answer using two significant figures. 画] ? fi = 920 kN Figure 1 of 1 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B a= 3.8 m Express your answer using two significant figures. ng 画] ? h=0.70 m f2 = kN
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