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A 2.8-kg cart is rolling along a frictionless, horizontal track towards a 1.1-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain instant before the carts collide, the first cart's velocity is 3.1 m/s, and the second cart's velocity is -2.8 m/s. (a) What is the total momentum of the system of the two carts at this instant
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A 2.8-kg cart is rolling along a frictionless, horizontal track towards a 1.1-kg cart that is held i...
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