a roller coaster car moves along with the frictionless track shown in the diagram below. Use the information given on the diagram to answer the questions. the mass of the roller coaster car is 800 kg. assume the roller coaster comes to the rest at point a before moving down the hill. approximate the value for the acceleration due to gravity gas 9.8m/s^2. how high is point A above the ground?show work.
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a roller coaster car moves along with the frictionless track shown in the diagram below. Use the inf...
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