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It has a year since I have worked with Elastic Potential Energy & I have forgotten the formula to work it out.

I have this question and would appreciate it if anyone could tell me how to do it, or tell me the formula of how to work it out.

So here it is:

Rachel pulls back a 0.002 kg rubber band and flicks it across a room with a speed of 10m/s.

What was the

**elastic potential energy**stored in the rubber band just before it was released?

Im sure this is extreamly simple to most of you, but please help me out :)

Thanks,

Phykid