3. Towers A and B are constructed on a horizontal plain, B being 200 m above the plain. The angle of elevation of the top of the A as seen from point C in the plain (in the same vertical plane with A and B) is 50 degrees, while the angle of depression of C viewed from the top of tower B is 28058' and the angle ABC is 50°. a. Find the height of tower A b. How far is C horizontally from tower A. c. Determine the horizontal distance between A and B. Tower A Tower B 50°

3. Towers A and B are constructed on a horizontal plain, B being 200 m above the plain. The angle of elevation of the top of the A as seen from point C in the plain (in the same vertical plane with A and B) is 50 degrees, while the angle of depression of C viewed from the top of tower B is 28058' and the angle ABC is 50°. a. Find the height of tower A b. How far is C horizontally from tower A. c. Determine the horizontal distance between A and B. Tower A Tower B 50°

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

From point A in between B and C, the angles of elevation of B and C are 18°30'and 8°15' respectively. Point C is 2000m from A, and B is 1200m from A. Elevation of A is 219.42m above sea level. a. Compute the difference in elevation between B and C, considering the effect ofearths curvature and refraction. b. Compute the difference in elevation between A and C. c. Compute the elevation of B.
A tower 7ft tall makes an angle of 110 degrees with the inclined road on which it is erected. Determine the angle subtended by the tower at appoint down the road 90ft from the foot of the tower.
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
From point A in between B and C, the angles of elevation of B and C are 18o30' and 8o15' respectively. Point C is 2000m from A, and B is 1200m from A. Elevation of A is 219.42m above sea level.a. Compute the difference in elevation between B and C, considering the effect of earths curvature and refraction.b. Compute the difference in elevation between A and C.c. Compute the elevation of B.
The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is
A swimming pool has a width of 12ft and a side profile as shown. Determine the eccentricity e of the resultant force the pressure of the water exerts on bottom BC. inclined BC makes an angle of 14.478 with the horizontal.
To = 4.31 kN.m
Determine the horizontal force Q applied to block B that would cause the system to impend its motion to the left. (All contact surfaces have the same angle of friction of 11.31 degrees except the horizontal surface beneath block B with 16.7°)
Note: the supposed answer of the direction is 4.8 ft left of B.
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.
From the given differential leveling notes: A. Determine the difference in elevation between TP1 and TP3 B. Determine the difference in elevation between TP2 and TP4 C. Determine the difference in elevation between BM2 and BM3
Compute the elevation of the turning point or the rock. Compute the elevation at the point 60m from the beginning of the line.