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11:49 Question 1 a. What is Geodesy? (2) b. What is physical geodesy. (2) .ill 73% c. Write short notes on the linkages physical geodesy has with each of the following: 8 marks Oceanography i. ii. Geophysics iii. iv. Geology Hydrology d. Define the following surfaces and draw a sketch showing the relationship between them. Geoid, reference ellipsoid, topography. (2+2+2) e. The following points had their ellipsoidal heights measured, compute their orthometric heights given the geoidal undulations: (2) Name TP5 ZQ135 Latitude Longitude Ellipsoid hgt. -12.61179 28.18421 1263.995 -12.80345 28.23022 1215.166 Geoidal undulations -6.715 -6.684 Question 2 (8+6+6) The following coordinates were given on a spherical earth with a radius of 6378000m, find a. The shortest distance between the points b. The azimuth from A to B c. The azimuth from B to A Latitude Longitude A 52°21'14"N 93°48'25″E B 52°24'18"N 93°42'30"E Question 3 (20) Two points lie on the same latitude as shown below: Point LATITUDE LONGITUDE A 30°30'S 30°30' W B 30°30'S 130°30' E R=6378km a. Find the shortest distance between them. (10) b. Show by calculation that the shortest distance is not along the latitude. (10) Question 4 (10+10) a. A spherical triangle on a sphere of radius R=6378 km has two sides (a, b) and an angle (C) between them given as follows: a=30°, b=60°, C=60° Find the third side (c) and the other two angles of the triangle (A, B). b. Given side c=97°, side a=36° and angle C=90°. Find angles A and B and side b. Note: Answers to remain in angular units Question 5 On the GRS 80 ellipsoid (a=6378137 m, e²=0.0066943800229), there is a point P with geodetic coordinates: =0°, λ=30°, h = 1000m a. Calculate: i. the semi-minor axis (2) ||

11:49 Question 1 a. What is Geodesy? (2) b. What is physical geodesy. (2) .ill 73% c. Write short notes on the linkages physical geodesy has with each of the following: 8 marks Oceanography i. ii. Geophysics iii. iv. Geology Hydrology d. Define the following surfaces and draw a sketch showing the relationship between them. Geoid, reference ellipsoid, topography. (2+2+2) e. The following points had their ellipsoidal heights measured, compute their orthometric heights given the geoidal undulations: (2) Name TP5 ZQ135 Latitude Longitude Ellipsoid hgt. -12.61179 28.18421 1263.995 -12.80345 28.23022 1215.166 Geoidal undulations -6.715 -6.684 Question 2 (8+6+6) The following coordinates were given on a spherical earth with a radius of 6378000m, find a. The shortest distance between the points b. The azimuth from A to B c. The azimuth from B to A Latitude Longitude A 52°21'14"N 93°48'25″E B 52°24'18"N 93°42'30"E Question 3 (20) Two points lie on the same latitude as shown below: Point LATITUDE LONGITUDE A 30°30'S 30°30' W B 30°30'S 130°30' E R=6378km a. Find the shortest distance between them. (10) b. Show by calculation that the shortest distance is not along the latitude. (10) Question 4 (10+10) a. A spherical triangle on a sphere of radius R=6378 km has two sides (a, b) and an angle (C) between them given as follows: a=30°, b=60°, C=60° Find the third side (c) and the other two angles of the triangle (A, B). b. Given side c=97°, side a=36° and angle C=90°. Find angles A and B and side b. Note: Answers to remain in angular units Question 5 On the GRS 80 ellipsoid (a=6378137 m, e²=0.0066943800229), there is a point P with geodetic coordinates: =0°, λ=30°, h = 1000m a. Calculate: i. the semi-minor axis (2) ||

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter16: Engineering Drawings And Symbols
Section: Chapter Questions
Problem 43P
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11:49 Question 1 a. What is Geodesy? (2) b. What is physical geodesy. (2) .ill 73% c. Write short notes on the linkages physical geodesy has with each of the following: 8 marks Oceanography i. ii. Geophysics iii. iv. Geology Hydrology d. Define the following surfaces and draw a sketch showing the relationship between them. Geoid, reference ellipsoid, topography. (2+2+2) e. The following points had their ellipsoidal heights measured, compute their orthometric heights given the geoidal undulations: (2) Name TP5 ZQ135 Latitude Longitude Ellipsoid hgt. -12.61179 28.18421 1263.995 -12.80345 28.23022 1215.166 Geoidal undulations -6.715 -6.684 Question 2 (8+6+6) The following coordinates were given on a spherical earth with a radius of 6378000m, find a. The shortest distance between the points b. The azimuth from A to B c. The azimuth from B to A Latitude Longitude A 52°21'14"N 93°48'25″E B 52°24'18"N 93°42'30"E Question 3 (20) Two points lie on the same latitude as shown below: Point LATITUDE LONGITUDE A 30°30'S 30°30' W B 30°30'S 130°30' E R=6378km a. Find the shortest distance between them. (10) b. Show by calculation that the shortest distance is not along the latitude. (10) Question 4 (10+10) a. A spherical triangle on a sphere of radius R=6378 km has two sides (a, b) and an angle (C) between them given as follows: a=30°, b=60°, C=60° Find the third side (c) and the other two angles of the triangle (A, B). b. Given side c=97°, side a=36° and angle C=90°. Find angles A and B and side b. Note: Answers to remain in angular units Question 5 On the GRS 80 ellipsoid (a=6378137 m, e²=0.0066943800229), there is a point P with geodetic coordinates: =0°, λ=30°, h = 1000m a. Calculate: i. the semi-minor axis (2) ||
Transcribed Image Text:11:49 Question 1 a. What is Geodesy? (2) b. What is physical geodesy. (2) .ill 73% c. Write short notes on the linkages physical geodesy has with each of the following: 8 marks Oceanography i. ii. Geophysics iii. iv. Geology Hydrology d. Define the following surfaces and draw a sketch showing the relationship between them. Geoid, reference ellipsoid, topography. (2+2+2) e. The following points had their ellipsoidal heights measured, compute their orthometric heights given the geoidal undulations: (2) Name TP5 ZQ135 Latitude Longitude Ellipsoid hgt. -12.61179 28.18421 1263.995 -12.80345 28.23022 1215.166 Geoidal undulations -6.715 -6.684 Question 2 (8+6+6) The following coordinates were given on a spherical earth with a radius of 6378000m, find a. The shortest distance between the points b. The azimuth from A to B c. The azimuth from B to A Latitude Longitude A 52°21'14"N 93°48'25″E B 52°24'18"N 93°42'30"E Question 3 (20) Two points lie on the same latitude as shown below: Point LATITUDE LONGITUDE A 30°30'S 30°30' W B 30°30'S 130°30' E R=6378km a. Find the shortest distance between them. (10) b. Show by calculation that the shortest distance is not along the latitude. (10) Question 4 (10+10) a. A spherical triangle on a sphere of radius R=6378 km has two sides (a, b) and an angle (C) between them given as follows: a=30°, b=60°, C=60° Find the third side (c) and the other two angles of the triangle (A, B). b. Given side c=97°, side a=36° and angle C=90°. Find angles A and B and side b. Note: Answers to remain in angular units Question 5 On the GRS 80 ellipsoid (a=6378137 m, e²=0.0066943800229), there is a point P with geodetic coordinates: =0°, λ=30°, h = 1000m a. Calculate: i. the semi-minor axis (2) ||
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