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April 19, 2014

Homework Help: physics imperfect spring

Posted by annie on Thursday, May 21, 2009 at 9:31pm.

The force required to compress an imperfect horizontal spring an amount x is given by F= 150x+12x^3, where x is in meters and F in newtons.

If the spring is compressed 2.1 m, what speed will it give to a 4.0 kg ball held against it and then released?

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