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Calculus1 25 Online
OpenStudy (anonymous):

a ballon is rising vertically over a point 1 on the ground at a rate of 20ft/sec. a point p 2 on the ground is level with and 40 ft from p1. when the ballon is 60 from p1, at what rate is its distance from p2 changing?

OpenStudy (anonymous):

I did on a paper.

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