From point A in between B and C, the angles of elevation of B and C are 18°30'and 8°15' respectively. Point C is 2000m from A, and B is 1200m from A. Elevation of A is 219.42m above sea level. a. Compute the difference in elevation between B and C, considering the effect of earths curvature and refraction. b. Compute the difference in elevation between A and C. c. Compute the elevation of B.
From point A in between B and C, the angles of elevation of B and C are 18°30'and 8°15' respectively. Point C is 2000m from A, and B is 1200m from A. Elevation of A is 219.42m above sea level. a. Compute the difference in elevation between B and C, considering the effect of earths curvature and refraction. b. Compute the difference in elevation between A and C. c. Compute the elevation of B.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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From point A in between B and C, the angles of elevation of B and C are 18°30'and 8°15' respectively. Point C is 2000m from A, and B is 1200m from A. Elevation of A is 219.42m above sea level.
a. Compute the difference in elevation between B and C, considering the effect of
earths curvature and refraction.
b. Compute the difference in elevation between A and C.
c. Compute the elevation of B.
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