October 4, 2015

Homework Help: calculus

Posted by Denzel on Sunday, October 17, 2010 at 10:34pm.

A hot air balloon rising straight up form a level field is tracked by a range finder 500ft from the liftoff point. At the moment the range finders elevation ange is pi/4, the angle is increasing at 0.14 rad/min. How fast is the balloon rising at that moment?

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