Surveying question 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. 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 2m above the hill B. c. What height of equal towers at A and C must be constructed in order that A,B and C will be indivisible?
Surveying question 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. 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 2m above the hill B. c. What height of equal towers at A and C must be constructed in order that A,B and C will be indivisible?
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.
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 2m above the hill B.
c. What height of equal towers at A and C must be constructed in order that A,B and C will be indivisible?
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