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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Work = force × a. work b. energy c. distance d. momentum
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
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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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