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Posted by on Sunday, November 2, 2008 at 10:53am.

A 75.0 kg skier rides a 2870 m long lift to the top of a mountain. The lift makes an angle of 14.4° with the horizontal. What is the change in the skier's gravitational potential energy?
J

  • Physics - , Sunday, November 2, 2008 at 11:26am

    Find out how much he rises in elevation, using trig, and multiply that by M g.

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