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December 18, 2014

Homework Help: Physics(Checking answer)

Posted by Pablo on Thursday, November 4, 2010 at 10:39pm.

Sorry for the re-post but I really need to know this, but now I just want to know if the question is right.

A spring with a force of 5.2 N/m has a relaxed length of 2.45. When a mass is attached to the end of the spring and allowed to come to rest. the vertical length of the spring is 3.57m. Calculate the elastic potential energy stored in the spring.

I got 3.26144

from 1/2* 5.2*1.12^2

Please help.

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