Observer line of sight to the plane

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Reference no: EM131093027

A plane flying at a constant speed of 350 miles per hour is traveling at an elevation of 2.5 miles over the head of an observer. At what rate is the angle between the observer's line of sight to the plane and the ground decreasing when the plane is horizontally 0.5 miles away from the observer? Give your answer in degrees/second.

Reference no: EM131093027

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