Tuesday
September 16, 2014

Homework Help: Physics

Posted by Gabby on Tuesday, November 8, 2011 at 7:20pm.

A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 63.6-kg water-skier has an initial speed of 5.3 m/s. Later, the speed increases to 10.8 m/s. Determine the work done by the net external force acting on the skier.

I got +5630 J, and it was wrong. I'm not sure why, or how to do it correctly.

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