Question

3. At a ski resort a chair lift takes skiers up a 30° hillside to an elevation of 180 m as shown in figure 1. How much horsepower must the engine have to pull 50 skiers at a time, at a speed of 4.0 m/s, if the average mass of each skier and their equipment is 82 kg each and the frictional energy loss is 3.6MJ (Mega-Joules)? Hint: Power-Work/time
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Answer #1

height h190 hm aungo - 38 Sino Sin 30 d 360 m avenge mots m = f2 kg time abentdistoe 36o ny uomls ヒ= ao Sec W1o. 840T Power P

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