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Surveying a bluff A surveyor, using a transit, sights the edge B of a bluff, as shown in the left part of the figure (not drawn to scale). Because of the curvature of Earth, the true elevation h of the bluff is larger than that measured by the surveyor. A cross-sectional schematic view of Earth is shown in the right part of the figure. (a) If s is the length of arc PQ and R is the distance from P to the center C of Earth, express h in terms of R and s. (b) If R = 4000 mi and s = 50 mi, estimate the elevation of the bluff in feet. Exercise 77 B B p Line of sight P h P IR R °C

Surveying a bluff A surveyor, using a transit, sights the edge B of a bluff, as shown in the left part of the figure (not drawn to scale). Because of the curvature of Earth, the true elevation h of the bluff is larger than that measured by the surveyor. A cross-sectional schematic view of Earth is shown in the right part of the figure. (a) If s is the length of arc PQ and R is the distance from P to the center C of Earth, express h in terms of R and s. (b) If R = 4000 mi and s = 50 mi, estimate the elevation of the bluff in feet. Exercise 77 B B p Line of sight P h P IR R °C

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Surveying a bluff A surveyor, using a transit, sights the edge B of a bluff, as shown in the left part of the figure (not drawn to scale). Because of the curvature of Earth, the true elevation h of the bluff is larger than that measured by the surveyor. A cross-sectional schematic view of Earth is shown in the right part of the figure. (a) If s is the length of arc PQ and R is the distance from P to the center C of Earth, express h in terms of R and s. (b) If R = 4000 mi and s = 50 mi, estimate the elevation of the bluff in feet. Exercise 77 B B p Line of sight P h P IR R °C
Transcribed Image Text:Surveying a bluff A surveyor, using a transit, sights the edge B of a bluff, as shown in the left part of the figure (not drawn to scale). Because of the curvature of Earth, the true elevation h of the bluff is larger than that measured by the surveyor. A cross-sectional schematic view of Earth is shown in the right part of the figure. (a) If s is the length of arc PQ and R is the distance from P to the center C of Earth, express h in terms of R and s. (b) If R = 4000 mi and s = 50 mi, estimate the elevation of the bluff in feet. Exercise 77 B B p Line of sight P h P IR R °C
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