On a North Pacific voyage, you wish to sail...

Question 1 / 2066636eea28f7522a1c51b3f5

Question 1 of 2066636eea28f7522a1c51b3f5

On a North Pacific voyage, you wish to sail the shortest distance from LAT 46° 05' N, LONG 124° 00' W to LAT 44° 00' N, LONG 150° 00' E. You do not want to exceed 50° N latitude due to anticipated fog conditions. Which voyage plot meets these requirements? (Use gnomonic tracking chart WOXZC 5270)

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🔍 Key Concepts

• Great circle sailing vs rhumb line (Mercator) sailing and which one gives the shortest distance • How a limiting latitude (here 50° N) affects your choice of great-circle legs • Use of a gnomonic chart to lay out great circles and then transfer to Mercator or parallel sailing

💭 Think About

• First, sketch or visualize the great circle from departure to arrival: does it stay south of 50° N, or will it cross that latitude? • If the pure great circle track would cross north of 50° N, what combination of great-circle and parallel (or Mercator) legs lets you follow the great circle as much as possible while never going above 50° N? • Compare the descriptions in each choice: which one actually uses 50° N as a hard limit on the track, instead of just mentioning it?

✅ Before You Answer

• On the gnomonic chart, verify whether the great circle between the two positions crosses north of 50° N. • Check which options keep all parts of the track at 50° N or below—even brief excursions above 50° N violate the condition. • Confirm which method still provides maximum great-circle distance (shortest route) while only deviating along a limiting parallel where necessary.

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Question 1 of 20

A great circle to 50° N, 153° W, parallel sailing to 50° N, 173° W, then a great circle to arrival

A great circle between departure and arrival with Mercator legs north of the Aleutians

A great circle from departure to the mid-longitude at 50° N, then another great circle to arrival

A great circle between departure and arrival with parallel sailing where the track intersects the 50° N parallel

Question 1 / 2066636eea28f7522a1c51b3f5

Question 1 of 2066636eea28f7522a1c51b3f5

Back

Question 1 of 20

66636eea28f7522a1c51b3f5

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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

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