2. Two hills are 96.5km apart. Thehigher hill is at elevation 274.5m andthe lower hill is at elevation 61m. Theobserver at lower hill can barely seethe elevation of the top of the higherhill.a. Compute the minimum height oftower on top of the higher hill thatcan be seen from the lower hill.b. Compute the elevation of the topof the tower at higher hill.c. Draw the situation of the probiem.

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Answered: 2. Two hills are 96.5km apart. The…

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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2. Four hills A, B, C, and D are in straight line. The elevations are 247m, 236m, 314m and 396m respectively. The distances of B, C and D from A are 12km, 45km, and 60km respectively. Considering the effect of curvature and refraction of the earth. a. Compute the height of equal towers on A and D to sight over B and C with a 3m clearance. b. Compute the elevation of the line of sight at B with the installation of the equal heights of tower at A and D. c. Compute the height of tower at A with a clearance of 3m at C so that D will be visible from A, if the height of tower at D is 2m
Four hills A, B, C, and D are in straight line. The elevations are 247m, 236m, 314m and 396m respectively. The distances of B, C and D from A are 12km, 45km, and 60km respectively. Considering the effect of curvature and refraction of the earth.a. Compute the height of equal towers on A and D to sight over B and C with a 3m clearance.b. Compute the elevation of the line of sight at B with the installation of the equal heights of tower at A and D.c. Compute the height of tower at A with a clearance of 3m at C so that D will be visible from A, if the height of tower at D is 2m
Four hills A, B, C and D are in straight line. The elevations are A = 247 m, B = 236 m, C = 314 m, and D = 396 m respectively. The distances of B, C and D from A are 12 km, 45 km, and 60 km respectively. Considering the effect og the curvature and refraction of the earth. Determine the height of equal towers on A and D to sight over B and C with a 3 m. clearance.
Cathedral Hill is on a line between Constable Hill and Aurora Hill. Cathedral Hill is 6.235 km from the Constable Hill and Aurora Hill is 11.018 km from the Constable Hill. The elevation of the hills are: Constable Hill, 1260.86 m; Aurora Hill, 1266.44 m; and Cathedral Hill, 1261.04 m. Determine the height of tower to be constructed on Constable Hill so that the line of sight will clear the ground at Cathedral Hill by 5.0 m, if no tower is to be constructed on Aurora Hill
pls help me solve this. 1) from point A in bet. B and C, the angles of elevation of B and C are 18deg30' and 8deg15' respectively. (' - this is mins.) Point C is 2000m from A, and B is 1200m from A. Elev. of A is 219.42m above sea level. DETERMINE: a) Compute the diff. in elev. Bet. B and C, considering the effect of earths curvature and refraction. b) compute the diff. in elev. bet. A and C c) compute the elevation of B. *answer in 4 dec places *with diagram pls thank you. I'll give your answer a LIKE for helping me.
Determine the elevation of the higest point.
Four hills A, B, C and D are in straight line. The elevations are A = 247 m, B = 236 m, C = 314 m D = 396 m respectively. The distances of B, C and D from A are 12 km, 45 km and 60km respectively. Considering the effect of curvature and refraction of the earth. (a) Compute the height of equal towers on A and D to sight over B and C with a 3 m clearance.(b) Compute the elevation of the line of sight at B with the installation of equal heights of tower at A and D.(c) Compute the height of tower at A with a clearance of 3 m at C so that D will be visible from A, if the height of tower at D is 2 m.
Determine elevation the top of a tower from the following observation.. Inst. St. Target Reading on B.M V. angle of a Remarks UM L tower 4.025 3.525 3.025 2.757 3.007 3.257 90° 90° 18:30 Stat 3.007 B R.L.M=72.88 GENIX
An engineer's transit is setup at point B which has an elevation of 145.65m above MSL. Point B is situated between points A and C. Point B is the lowest among the three points. The horizontal distance BA and BC are 180m and 200m respectively. The rod reading at A is 1.50m with the line of sight inclined 15 degrees with the horizontal. The rod reading at C is 1,95m with the line of sight inclined 35 degrees with the horizontal. The height of the instrument/transit is 1,10m from the ground. a) What is the difference in elevation of point A and C? b) What is the elevation of point A? Your ans wer
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
Cathedral Hill is on a line between Constable Hill and Aurora Hill. Cathedral Hill is 6.235 km from the Constable Hill and Aurora Hill is 11.018 km from the Constable Hill. The elevation of the hills are: Conștable HilI, 1260.86 m; Aurora Hill, 1266.44 m; and Cathedral Hill, 1261.04 m. Determine the height of identical towers to be constructed at Constable Hill and Aurora Hill so that the line of sight will clear Cathedral Hill by 5.0 m.
4. Four hills A, B, C, and D having elevations 247, 236, 314, and 396 respectively. The distance of B, |C, and D from A are 12 km, 45 km, and 60 km respectively WITHOUT considering the earth's curvature and refraction of the earth. Compute the height of tower at A with a clearance of 3 m at C so that a 2 m tower at D will be intervisible from A.

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