3. A plane travelling at an altitude of 20,000 feet passes directly overhead at time t = 0. One minute later, you observe that the angle between the vertical and your line of sight to the plane is 1.14 radians, and that this angle is changing at a rate of 0.38 radias/minute. Calculate the velocity of the airplane in miles per hour.

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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3. A plane travelling at an altitude of 20,000 feet passes directly overhead at time t = 0. One
minute later, you observe that the angle between the vertical and your line of sight to the plane
is 1.14 radians, and that this angle is changing at a rate of 0.38 radians/minute. Calculate
the velocity of the airplane in miles per hour.
Transcribed Image Text:3. A plane travelling at an altitude of 20,000 feet passes directly overhead at time t = 0. One minute later, you observe that the angle between the vertical and your line of sight to the plane is 1.14 radians, and that this angle is changing at a rate of 0.38 radians/minute. Calculate the velocity of the airplane in miles per hour.
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