Posted by **maria** on Tuesday, January 25, 2011 at 8:36pm.

A 60.0 kg skier rides a 2740 m long lift to the top of a mountain. The lift makes an angle of 14.7¡ã with the horizontal. What is the change in the skier's gravitational potential energy?

- physics HELP -
**drwls**, Tuesday, January 25, 2011 at 8:40pm
P.E change = M g H

H is the change in elevation, 2740 sin 14.7 meters

g = 9.8 m/s^2

M = 60.0 kg

- physics HELP -
**Yazmin**, Saturday, December 5, 2015 at 11:23am
75.0-kg skier rides a 2730-m-long lift to the top of a mountain. The lift makes an angle of 12.0° with the horizontal. What is the change in the skier’s gravitational potential energy?

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