29. A 75.0-kg skier rides a 2830-m-long lift to the top of a mountain. The lift makes an angle of 14.6° with the horizontal. What is the change in the skier’s gravitational potential energy?

 

Change in the skier’s gravitational potential energy is found by

 

We know from trigonometry

Solving for Dh

 

 

 

 

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This page last updated on January 11, 2020