A 68.5 kg skier rides a 2.56 km chair lift from the base of the mountain to the top.  The lift is at an angle of 13.9o to the horizontal.   a) Determine the skier’s gravitational potential energy at the top of the mountain relative to the base of the mountain.   b) How fast will the skier be travelling when they reach the bottom of the mountain?

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A 68.5 kg skier rides a 2.56 km chair lift from the base of the mountain to the top.  The lift is at an angle of 13.9o to the horizontal.  

a) Determine the skier’s gravitational potential energy at the top of the mountain relative to the base of the mountain.  

b) How fast will the skier be travelling when they reach the bottom of the mountain?

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