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Question 7 (1 point) A roller coaster trolley has a mass of 972 kg. On its descent from the top of a hill, the trolley

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Question 7 (1 point) A roller coaster trolley has a mass of 972 kg. On its descent from the top of a hill, the trolley undergoes a change in height of 17.3 m. If the trolley begins with a speed of 1.42 m/s and ends up at the bottom of the hill with a speed of 15.2 m/s, what is the work done on the trolley as it coasts down the hill

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