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December 21, 2014

Homework Help: calculus

Posted by sanjay on Tuesday, October 26, 2010 at 6:52am.

A particle is moving along the curve below.
y = sqrt(x)
As the particle passes through the point (4,2), its x-coordinate increases at a rate of 4 cm/s. How fast is the distance from the particle to the origin changing at this instant?

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