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September 4, 2015

Homework Help: A plane flies horizontally at an altitude of 5 km

Posted by yolana on Monday, March 14, 2011 at 8:00pm.

A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is π/3, this angle is decreasing at a rate of π/4 rad/min. How fast is the plane traveling at that time? (Round your answer to two decimal places.)

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