Two hills A and C have elevations of 600 m and 800 m respectively. In between A and C is another hill B which has an elevation of 705 m and is located at 12 km from A and 10 km from C. a.) Determine the clearance or obstruction of the line of sight at hill B if the observer is at A so that C will be visible from A. b.) If C is not visible from A, what height of tower must be constructed at C so that it could be visible from A with the line of sight having a clearance of 2 m. above hill B. c.) What height of equal towers at A and C must be constructed in order A, B and C will be intervisible.

Two hills A and C have elevations of 600 m and 800 m respectively. In between A and C is another hill B which has an elevation of 705 m and is located at 12 km from A and 10 km from C. a.) Determine the clearance or obstruction of the line of sight at hill B if the observer is at A so that C will be visible from A. b.) If C is not visible from A, what height of tower must be constructed at C so that it could be visible from A with the line of sight having a clearance of 2 m. above hill B. c.) What height of equal towers at A and C must be constructed in order A, B and C will be intervisible.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Two hills A and C have elevations of 600 m, and 800 m. respectively. In between A and C is another hill B which has an elevation of 705 m and is located at 12 km from A and 10 km from C. Determine the clearance or obstruction of the line of sight at hill B if the observer is at A so that C will be visible from A. [ Select ] If C is not visible from A, what height of tower must be constructed at C so that it could be visible from A with the line of sight having a clearance of 2 m above hill B. [ Select ] What height of equal towers at A and C must be constructed in order that A, B and C will be intervisible. [ Select) 29°C 0
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