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I'm trying to calculate the amount of P.E. stored by a piece of elastic. I've been looking for formulas but all i can find is how to calculate gravitational potential energy and spring potential energy. The piece of elastic is to be streched by about 1-2cm (from an original 30cm length) along the horizontal, and then twisted alot.

Any links to sites talking about this sort of problem would be handy, as well as any help that can be posted here. I'm after a formula of some sort to theoretically calculate the energy that is going to be stored, so that i have theory to back up my assumptions.

Thanks,

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# Potential Energy Stored by Elastic

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