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April 16, 2014

Homework Help: physics

Posted by zianna on Wednesday, August 22, 2012 at 11:50pm.

an ideal spring of negligible mass is 12.00 cm long when noting is attached to it. When you hang a 3.15kg weight from it, you measures its length to be 13.40 cm.
if you wanted to store 10.0 J of potential energy in this spring, what would be its total length?
Assume that it continues to obey hooke's Low.

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