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3 of 15 Questions Assignment Score: 13% Resources Ly Give Up? Hint Check Answer OZ QUESLIVIT OAG6 2 of co Attempts Press Esc to exit

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3 of 15 Questions Assignment Score: 13% Resources Ly Give Up? Hint Check Answer OZ QUESLIVIT OAG6 2 of co Attempts Press Esc to exit full screen Correct 3 Question 0% Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end of a 0 of co Attempts rope is attached to the bus and the other is tied around Magnus's waist. If a force gauge placed halfway down the rope reads out a constant 1450 Newtons while Magnus pulls the bus a distance of 0.95 meters, how much work does the tension force do on Macmillan Learning 4 Question 0% Magnus? The rope is perfectly horizontal during the pull. 0 of co Attempts 5 Question 0% 0 of co Attempts 6 Question 0% 0 of oo Attempts 7 Question 0% 0 of co Attempts 8 Question 0% 0 of co Attempts 9 Question 0% 0 of co Attempts 10 Question 0% 0 of co Attempts 11 Question 0% 0 of co Attempts 12 Question 0% 0 of co Attempts#4 of 15 Questions @ Assignment Score: 13% Resources Ly Give Up? 9 Hint Check Answer 1 Question 100% 1 of 20 Attempts Correct Press ESC to exit full screen to A cart for hauling ore out of a gold mine has a mass of 2 Question 95% 409 kg, including its load. The cart runs along a straight -.Track 2 of co Attempts Corred stretch of track that climbs a shallow 4.69 incline. A donkey, ..-2SY.... .Rope Macmillan Learning which is trudging along and to the side of the track, has the 3 Question 09% 0 of co Attempts unenviable job of pulling the cart up the slope with a 404 N force for a distance of 137 m by means of a rope that is 4 Question 09% parallel to the slope but makes an angle of 13.7' with -Track incline 0 of so Attempts the track. Horizontal ground Model the rolling resistance of the cart as though it were 5 Question 0% 0 of co Attempts sliding on the track with a coefficient of friction of 0.0161. Use g = 9.81 m/s2, and note that angle A in the image is the 6 Question angle of the incline while angle B is the angle the rope makes 0 of co Attempts with the track. 7 Question 0 of co Attempts Find the work Wa that the donkey performs on the cart during this process. 8 Question 0 of co Attempts 9 Question 0% W. = 0 of co Attempts 10 Question 09% Find the work W. that the force of gravity performs on the 0 of co Attempts cart during this process. 11 Question 0% 0 of co Attempts 12 Question W. = 19% 0 of so Attempts 13 Question Calculate the work W, done on the cart by friction during this 0 of co Attempts process. 14 Question 0 of so Attempts W= 15 Question 09% 0 of co Attempts5 of 15 Questions Assignment Score: 13% Resources Ly Give Up? 9 Hint Check Answer Press Esc to exit full screen 0% 0 of co Attempts The graph shows the x-directed force F, acting on an object 4 Question 0% as a function of the position x of the object. For each 0 of co Attempts numbered interval given, find the work W, done on Macmillan Learning the object. 4 5 Question 0% 2 0 of co Attempts 1) from x = 0 m to x = 2.90 m x(m) 2 3 5 6 7 8 9 10 6 Question 0% -2 0 of co Attempts -4- 7 Question W1 = 0% 6- 0 of co Attempts 8 Question 0% 2) from x = 3.00 m to x = 6.30 m 0 of co Attempts 9 Question 0% 0 of co Attempts W. = 10 Question 0% 0 of co Attempts 3) from x = 7.00 m to x = 8.50 m 11 Question 0% 0 of co Attempts 12 Question 0% W3 = 0 of co Attempts 13 Question 0% 0 of co Attempts

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