MATH130 - Tutorial 11 Solutions.pdf - Question 1 If V is the volume of a cube with edge length x and the cube dx dV in terms of expands as time passes | Course Hero

Question 45 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 isπ/3, this angle is decreasing at a rate ofπ/6 rad/min. How fast is the plane traveling at that time?

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