Three hills A, B, and Care at elevations 135m, 146m, and 154m respectively above sea level. Distance AB is 3.9km while distance BC is 3.1km. a) Find the effect of curvature and refraction between A and B. b) Determine the effect of curvature and refraction between A and B. c) What would be the height of tower to be constructed at hill Cso that the line of sight will clear hill B by 2.5mconsidering the effect of earth's curvature and refraction?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Three hills A, B, and Care at elevations135m, 146m, and 154m respectively abovesealevel. Distance AB
is 3.9km while distance BC is 3.1km.
a) Find the effect of curvature and refraction between A and B.
b) Determine the effect of curvature and refraction between A and B.
c) What would be the height of tower to be constructed at hill C so that the line of sight will clear hill B
by 2.5mconsidering the effect of earth's curvature and refraction?
Transcribed Image Text:Three hills A, B, and Care at elevations135m, 146m, and 154m respectively abovesealevel. Distance AB is 3.9km while distance BC is 3.1km. a) Find the effect of curvature and refraction between A and B. b) Determine the effect of curvature and refraction between A and B. c) What would be the height of tower to be constructed at hill C so that the line of sight will clear hill B by 2.5mconsidering the effect of earth's curvature and refraction?
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