Determine the distance from LAT 34° 18' S,...

Question 1 / 2066636eea28f7522a1c51b0ae

Question 1 of 2066636eea28f7522a1c51b0ae

Determine the distance from LAT 34° 18' S, LONG 172° 40' E to LAT 34° 18' S, LONG 152° 38' E, by parallel sailing.

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Question 1 of 20

66636eea28f7522a1c51b0ae

Determine the distance from LAT 34° 18' S, LONG 172° 40' E to LAT 34° 18' S, LONG 152° 38' E, by parallel sailing.

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🔍 Key Concepts

• Parallel sailing when latitude is the same at both positions • How to find difference of longitude (ΔLong) in degrees and minutes between two longitudes on the same side of Greenwich • Relationship between departure and distance on a parallel of latitude: using cosine of latitude

💭 Think About

• First, are both positions on exactly the same latitude, or is there any change in latitude? What does that tell you about the type of sailing to use? • How do you compute the difference in longitude between 172° 40' E and 152° 38' E when both are east longitudes? Be careful with subtraction and borrowing minutes. • Once you have ΔLong in minutes, how does the cosine of the latitude affect the miles you actually travel along that parallel?

✅ Before You Answer

• Make sure your difference of longitude is correct in both degrees and minutes before doing any trig. • Convert ΔLong to minutes of arc before applying any formula; don’t mix degrees directly with minutes. • Confirm you are using cos(latitude) in the correct way for parallel sailing (ask yourself: does the distance get smaller or larger as you move away from the equator?).

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Question 1 of 20

Determine the distance from LAT 34° 18' S, LONG 172° 40' E to LAT 34° 18' S, LONG 152° 38' E, by parallel sailing.

993.0 miles

995.2 miles

996.4 miles

998.6 miles

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Question 1 / 2066636eea28f7522a1c51b0ae

Question 1 of 2066636eea28f7522a1c51b0ae

Determine the distance from LAT 34° 18' S, LONG 172° 40' E to LAT 34° 18' S, LONG 152° 38' E, by parallel sailing.

Back

Question 1 of 20

66636eea28f7522a1c51b0ae

Determine the distance from LAT 34° 18' S, LONG 172° 40' E to LAT 34° 18' S, LONG 152° 38' E, by parallel sailing.

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