Determine the horizontal distance between two points A and B whose elevations above datum are h = 1840 ft and hp = 1425 ft and whose images a and b on a vertical photograph have photo coordinates a = 2.95 in., y = 2.32 in., x = -1.64 in., and y = -2.66 in. The camera focal length was 152.4 mm and the flying height above datum 7900 ft. Express your answer in feet to four significant figures. L = 15. ΑΣΦ | 4 | vec ? ft
Determine the horizontal distance between two points A and B whose elevations above datum are h = 1840 ft and hp = 1425 ft and whose images a and b on a vertical photograph have photo coordinates a = 2.95 in., y = 2.32 in., x = -1.64 in., and y = -2.66 in. The camera focal length was 152.4 mm and the flying height above datum 7900 ft. Express your answer in feet to four significant figures. L = 15. ΑΣΦ | 4 | vec ? ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine the horizontal distance between two points A and B whose elevations above datum are hA = 1840 ft and hB = 1425 ft and whose images a and b on a vertical photograph have photo coordinates xa = 2.95 in., ya = 2.32 in., xb = -1.64 in., and yb = -2.66 in. The camera focal length was 152.4 mm and the flying height above datum 7900 ft
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Express your answer in feet to four significant figures.
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