Homework Help: physic

Posted by antiah on Thursday, January 12, 2012 at 6:57pm.

a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

physic - Steve, Friday, January 13, 2012 at 4:23am
PE = mgh

since the final h is 60% of the initial h, 40% of the energy was lost.

For the actual amount, plug in the values.

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