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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.

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.

Structural Analysis
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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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.

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