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April 20, 2014

April 20, 2014

Posted by **Mary** on Friday, April 6, 2007 at 8:42pm.

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Physics - bobpursley, Wednesday, April 4, 2007 at 9:07pm

The spring compression had 1/2 k x^2 of work done on it. Assuming no losses to friction, then the energy that went into it was mg(h+x). Calculate h

DrRuss/bobpursley/drwls please help!!! - bobpursley, Friday, April 6, 2007 at 4:27pm

So what is the question?

I lead you to mg(h+x)= 1/2 kx^2

solve for h. If questions, you have to ask specific questions.

DrRuss/bobpursley/drwls please help!!! - Mary, Friday, April 6, 2007 at 8:41pm

Please tell me where I went wrong.

mg (h+x) = 1/2 K x^2

h = 1/2 (450)(3.0)^2/0.30kg x 9.81

h = 687.054

Thnaks for your help but I figured it out. I was suppose to convert it to m first then change the answer back to cm. Thanks again!

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