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A Russian bomber plane is sighting on a target on the ground directly ahead. If the bomber is flying 2 miles above the ground at 240 miles per hour, how fast must the sighting instrument be turning when the angle between the path of the bomber and the line of sight is 30 degrees?

A Russian bomber plane is sighting on a target on the ground directly ahead. If the bomber is flying 2 miles above the ground at 240 miles per hour, how fast must the sighting instrument be turning when the angle between the path of the bomber and the line of sight is 30 degrees?

Algebra for College Students
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter7: Equations And Inequalities In Two Variables
Section7.3: Distance And Slope
Problem 69PS
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7. A Russian bomber plane is sighting on a target on the ground directly ahead. If the bomber is flying 2 miles above the ground at 240 miles per hour, how fast must the sighting instrument be turning when the angle between the path of the bomber and the line of sight is 30 degrees? 8. The lower edge of a mural, 12 feet high, is 6 feet above the observer's eyes. Under the assumption that the most favorable view is obtained when the angle subtended by the mural at the eye is a maximum, at what distance from the wall should the observer stand?
Transcribed Image Text:7. A Russian bomber plane is sighting on a target on the ground directly ahead. If the bomber is flying 2 miles above the ground at 240 miles per hour, how fast must the sighting instrument be turning when the angle between the path of the bomber and the line of sight is 30 degrees? 8. The lower edge of a mural, 12 feet high, is 6 feet above the observer's eyes. Under the assumption that the most favorable view is obtained when the angle subtended by the mural at the eye is a maximum, at what distance from the wall should the observer stand?
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