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July 2, 2015

Homework Help: Repost-Physics 1

Posted by John on Tuesday, October 9, 2012 at 9:18pm.

A skier of mass 109 kg travels down a frictionless ski trail.
a)If the top of the trail is a height 218 m above the bottom, what is the work done by gravity on the skier? _____J
b)Find the velocity of the skier when he reaches the bottom of the ski trail. Assume he starts from rest. ____m/s

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