At the local ski slope, an 82.0-kg skier rides a gondola to the top of the mountain.
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At the local ski slope, an 82.0-kg skier rides a gondola to the top of the mountain. If the lift has a length of 2950 m and makes an angle of 13.1° with the horizontal, what is the change in the gravitational potential energy of the skier-Earth system?
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