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A 85.5-kg skier rides a 3090-m-long lift to the top of a mountain. The lift makes an angle of 17.7 ° with the horizontal. What is the change in the skier's gravitational potential energy?

2006-12-08 15:26:19 · 1 answers · asked by ????????????????? 2 in Science & Mathematics ➔ Earth Sciences & Geology

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Energy = 85,5 * 9,8 [N] * 3090 * tg 17.7º [m]

2006-12-09 23:08:04 · answer #1 · answered by Apolo 6 · 0⤊ 0⤋