Two hills A and C have elevations of 600m and 800m respectively. In between A and C is another hill B which has an elevation of 705m and is located at 12km from A and 10km from C. 1. 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. 2. 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 2m above hill B. 3. What height of equal towers at A and C must be constructed in
Two hills A and C have elevations of 600m and 800m respectively. In between A and C is another hill B which has an elevation of 705m and is located at 12km from A and 10km from C. 1. 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. 2. 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 2m above hill B. 3. What height of equal towers at A and C must be constructed in
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Two hills A and C have elevations of 600m and 800m respectively. In between A and C is another hill B which has an elevation of 705m and is located at 12km from A and 10km from C.
1. 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.
2. 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 2m above hill B.
3. What height of equal towers at A and C must be constructed in order that A, B, and C will be intervisible.
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