The observed altitude of B-ursae Minoris at lower and upper culminations are 29°58′15" and 60°453" The observed altitude of B-ursae Minoris at lower and upper culminations are 29°58′15" and 60°453" Find the latitude of the place of observation assuming the correction for refraction to be equal to 57" x tangent of apparent zenith distance? do it fast dont give wrong solution

The observed altitude of B-ursae Minoris at lower and upper culminations are 29°58′15" and 60°453" The observed altitude of B-ursae Minoris at lower and upper culminations are 29°58′15" and 60°453" Find the latitude of the place of observation assuming the correction for refraction to be equal to 57" x tangent of apparent zenith distance? do it fast dont give wrong solution

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter14: Highway Surveys And Location

Section: Chapter Questions

Problem 12P

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A transit is set up at point B which is between A and C. The vertical angle observed towards A is known to be -20° and that of C is +12°. The horizontal distance between A and B is 642.80 m and that of B and C is 1032.40 m. The height of instrument is 1.5 m above B with A having an elevation of 146.32 m. Considering the effect of curvature and refraction correction. Compute the difference in elevation between A and B (in meters). (answer in 3 decimal places) Compute the difference in elevation between A and C (in meters). (answer in 3 decimal places) Compute the elevation of B (in meters)
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A man standing on the ground can see just the tip of a tower 25km away. If the eye of the man is 1.8m above sea level, determine the height of the tower above sea level considering curvature and refraction correction. The top of the tower signal at B 2000 m away from A was sighted through a transit with a recorded vertical angle of 3’30”. The height of the mast is 12 m and H.I.ofthe transit above the point where it is set is 1.10m. The elevation of the point under the transit A is 133.33 m. Compute the elevation of the base of the signal B. Ps. with solution, please.
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A transit is set up at point B which is between A and B. The vertical angleobserved towards A is known to be -20° and that of C is + 12°. The horizontal distance between A and B is 642.8m and that of B and C is 1032.40m. The height of instrument is 1.5m above B with A having an elevation of 146.32m. Considering the effect of curvature and refraction correction. a. Compute the difference in elevation between A and B.b. Compute the difference in elevation between A and C.c. Compute the elevation of B.
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