5. Elastic PE 1. Elastic PE is stored energy in any compressed or stretched object 2. Amt. of energy depends on the distance the spring is stretched or compressed from its original relaxed position
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8. Given: m=75kg k=72N/m g=9.81m/s/s h= 55m-44m=11m x (displacement) = 44m-15m PE at bottom =0 Joule PE total=PE gravity + PE elastic