oint A is between points B and C. The distances of B and C from point A are p00 m and 2000 m, respectively. Measured from point A, the angle of elevation f point B is 18deg30', while that of point C is unknown. The difference in the levations of B and C is 44.4 m, with C being lower than B. Considering the ffects of curvature and refraction, the value of unknown angle is nearest to: D 6deg45' D 5deg20' D 8deg15 D 7deg30'
oint A is between points B and C. The distances of B and C from point A are p00 m and 2000 m, respectively. Measured from point A, the angle of elevation f point B is 18deg30', while that of point C is unknown. The difference in the levations of B and C is 44.4 m, with C being lower than B. Considering the ffects of curvature and refraction, the value of unknown angle is nearest to: D 6deg45' D 5deg20' D 8deg15 D 7deg30'
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Point A is between points B and C. The distances of B and C from point A are 1000 m and 2000 m, respectively. Measured from point A, the angle of elevation of point B is 18deg30’, while that of point C is unknown. The difference in the elevations of B and C is 44.4 m, with C being lower than B. Considering the effects of curvature and refraction, the value of unknown angle is nearest to:
Transcribed Image Text:Point A is between points Band C. The distances of B and C from point A are
1000 m and 2000 m, respectively. Measured from point A, the angle of elevation
of point B is 18deg30", while that of point C is unknown. The difference in the
elevations of B and C is 44.4 m, with C being lower than B. Considering the
effects of curvature and refraction, the value of unknown angle is nearest to:
6deg45'
5deg20'
8deg15'
7deg30'
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning