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Consider the system below consisting of a rough surface, three masses, a massless string, and a massless and frictionless pulley. The mass of each block is m, 12.5 kg, m, 15.0 kg, and m, = 13.5 kg. The coefficients of static and kinetic friction are 0.75 and 0.35, respectively for all surfaces. The masses are given a quick push so that my is initially moving to the right. с b a a. Calculate the magnitude of the acceleration of my. b. Is my, slowing down or speeding up? Explain. For part c, consider ma is replaced with a new, variable mass. c. What is the largest value m, can have for the system to remain stationary?

Consider the system below consisting of a rough surface, three masses, a massless string, and a massless and frictionless pulley. The mass of each block is m, 12.5 kg, m, 15.0 kg, and m, = 13.5 kg. The coefficients of static and kinetic friction are 0.75 and 0.35, respectively for all surfaces. The masses are given a quick push so that my is initially moving to the right. с b a a. Calculate the magnitude of the acceleration of my. b. Is my, slowing down or speeding up? Explain. For part c, consider ma is replaced with a new, variable mass. c. What is the largest value m, can have for the system to remain stationary?

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Consider the system below consisting of a rough surface, three masses, a massless string, and a massless and frictionless pulley. The mass of each block is ma = 12.5 kg, m, 15.0 kg, and m, = 13.5 kg. The coefficients of static and kinetic friction are 0.75 and 0.35, respectively for all surfaces. The masses are given a quick push so that m, is initially moving to the right. с b a a. Calculate the magnitude of the acceleration of my. b. Is m, slowing down or speeding up? Explain. For part c, consider ma is replaced with a new, variable mass. c. What is the largest value m, can have for the system to remain stationary?
Transcribed Image Text:Consider the system below consisting of a rough surface, three masses, a massless string, and a massless and frictionless pulley. The mass of each block is ma = 12.5 kg, m, 15.0 kg, and m, = 13.5 kg. The coefficients of static and kinetic friction are 0.75 and 0.35, respectively for all surfaces. The masses are given a quick push so that m, is initially moving to the right. с b a a. Calculate the magnitude of the acceleration of my. b. Is m, slowing down or speeding up? Explain. For part c, consider ma is replaced with a new, variable mass. c. What is the largest value m, can have for the system to remain stationary?
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