Homework Help: physics

Posted by sarah on Monday, March 2, 2009 at 3:47pm.

On a slide a child has a potential energy that decreases by 1000 J while her kinetic erergy increases by 900 J. What other form of energy is involved and how much?

physics - Damon, Monday, March 2, 2009 at 5:14pm
some of the potential energy was lost to heat through friction. If there were no friction the gain in ke would equal the loss in pe.

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