On a vertical photograph of flat terrain, section corners, which are a nominal 1-mi apart, appear a distance d apart. If the camera focal length is f. compute flying height above average ground in feet for the following data: P d E

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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On a vertical photograph of flat terrain, section corners, which are a nominal 1-mi apart, appear a distance d apart. If the
camera focal length is f. compute flying height above average ground in feet for the following data:
Part A
d=3.289 in.; f=3-1/2 in.
Express your answer in feet to four significant figures.
H=
Part B
ΑΣΦΗ Π It veci 6 A
H=
ΠΗΓΙΑΣΦ
d=68.14 mm; f = 152.4 mm
Express your answer in feet to five significant figures.
ΔΙΑΣΦΗ
It Ivec
F
?
?
ft
ft
Transcribed Image Text:On a vertical photograph of flat terrain, section corners, which are a nominal 1-mi apart, appear a distance d apart. If the camera focal length is f. compute flying height above average ground in feet for the following data: Part A d=3.289 in.; f=3-1/2 in. Express your answer in feet to four significant figures. H= Part B ΑΣΦΗ Π It veci 6 A H= ΠΗΓΙΑΣΦ d=68.14 mm; f = 152.4 mm Express your answer in feet to five significant figures. ΔΙΑΣΦΗ It Ivec F ? ? ft ft
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