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Please answer the two questions and show work thanks A 250.-kilogram car is initially at rest at point A on a roller coaster track. The

Please answer the two questions and show work thanks

A 250.-kilogram car is initially at rest at point A on a roller coaster track. The car carries a 75-kilogram passenger and is 20. meters above the ground at point A. [Neglect friction. ] 75 kg 250. kg AA 20. m Ground B 1. Calculate the total gravitational potential energy, 2. Show all work for finding the velocity of the relative to the ground, of the car and the passenger roller coaster at location C. The height of the at point A. coaster at C is 8.0 m

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