Homework Help: physics

Posted by Agata on Tuesday, November 15, 2011 at 9:58pm.

A skier is slidding downhill at 8m/s. When she reaches an icy patch on which her sis move freely with negligible friction. The difference on altitude between the top of the icy patch and its bottom is 10m. What is the speed of the skier at the bottom of the icy patch. Do you have to know the mass?

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