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  3. the two boxcars a and b have a weight of...

Question: the two boxcars a and b have a weight of...

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The two boxcars A and B have a weight of 22 000 lb and 31 000 lb, respectively. They are freely coasting down the incline when the brakes are applied to all the wheels of car A The coefficient of kinetic friction between the wheels of A and the tracks is μk-0.6. The wheels of car B are free to roll Neglect their mass in the calculation. Suggestioni. Solve the problem by representing single resultant normal forces acting on A and B, respectively. (Figure 1) Part A Determine the magnitude of the force in the coupling C bethveen the two cars. Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 T- 1 Value Units Submit Requsst Answer Provide Feedback

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