2. A tram inside the Gateway Arch in Saint Louis, Missouri lifts visitors to a window-lined observation room 192 meters above the ground. How much work does the tram’s motor do against gravity to carry two 55-kilogram passengers to this room? (You may ignore the work done by the motor to carry the tram itself).
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The answer is 206,976
Explanation: W = mgh, so (55 + 55) 110 x 9.8 x 192 = 206,976
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