A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope

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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/6 rad/min. How fast is the plane traveling at that time?

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Calculus Early Transcendentals

ISBN: 978-0538497909

7th edition

Authors: James Stewart

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Question Posted: Mar 04, 2016 06:49 AM

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A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope

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Calculus Early Transcendentals

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