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May 22, 2015

Homework Help: Physics

Posted by Eng on Sunday, February 7, 2010 at 5:08pm.

A potential energy function for a two-dimensional force is of the form U = 3 x^(4)y - 8 x. Find the force that acts at the point (x, y). (Use x and y as appropriate.)
I know its something about partial derivatives but I'm not sure how to go about it. And the answer has to be in vector components (ihat jhat)

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