Determine the great circle distance and...

Question 1 / 2066636eea28f7522a1c51b0c7

Question 1 of 2066636eea28f7522a1c51b0c7

Determine the great circle distance and initial course from LAT 35°08.0'S, LONG 19°26.0'E to LAT 33°16.0'S, LONG 115°36.0'E.

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Question 1 of 20

66636eea28f7522a1c51b0c7

Determine the great circle distance and initial course from LAT 35°08.0'S, LONG 19°26.0'E to LAT 33°16.0'S, LONG 115°36.0'E.

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🔍 Key Concepts

• Great circle sailing formulas using latitude and longitude of two positions • Conversion of degrees and minutes to decimal degrees before using trigonometric functions • Relationship between initial great circle course and the longitudes/latitudes of departure and destination

💭 Think About

• How does the difference in longitude between the two positions affect the great circle track and the initial course direction? • Are both positions in the same hemisphere for latitude and longitude, and how does that influence whether the initial course is generally easterly or westerly, northerly or southerly? • After finding the central angle between the two points, how do you convert that angle into a distance in nautical miles on a great circle route?

✅ Before You Answer

• Convert both positions from degrees and minutes to decimal degrees before applying any formulas • Carefully determine the difference of longitude (DLo), paying attention to east and west longitudes • After computing the central angle (in degrees), multiply by 60 NM per degree to get distance, and check that your distance is consistent with the general scale of the problem (about an ocean crossing)

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Question 1 of 20

Determine the great circle distance and initial course from LAT 35°08.0'S, LONG 19°26.0'E to LAT 33°16.0'S, LONG 115°36.0'E.

4559 miles, 121°T

4682 miles, 059°T

4457 miles, 126°T

4688 miles, 126°T

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Question 1 / 2066636eea28f7522a1c51b0c7

Question 1 of 2066636eea28f7522a1c51b0c7

Determine the great circle distance and initial course from LAT 35°08.0'S, LONG 19°26.0'E to LAT 33°16.0'S, LONG 115°36.0'E.

Back

Question 1 of 20

66636eea28f7522a1c51b0c7

Determine the great circle distance and initial course from LAT 35°08.0'S, LONG 19°26.0'E to LAT 33°16.0'S, LONG 115°36.0'E.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed