A ship is in longitude 54°00'W on a true...

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Question 1 of 2066636ee928f7522a1c51a095

A ship is in longitude 54°00'W on a true course of 270°. The ship's clocks are on the proper time zone. At what longitude should the clocks be changed to maintain the proper zone time?

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66636ee928f7522a1c51a095

A ship is in longitude 54°00'W on a true course of 270°. The ship's clocks are on the proper time zone. At what longitude should the clocks be changed to maintain the proper zone time?

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🔍 Key Concepts

• Time zones and longitude: Each standard time zone usually spans 15° of longitude, corresponding to 1 hour of time difference. • Relationship between course and longitude change: A true course of 270° means the vessel is moving due west, increasing west longitude. • Zone meridians: Standard time zones are centered on specific meridians that are multiples of 15° from the prime meridian (0°).

💭 Think About

• From 54°00'W, determine which standard time zone meridian the ship is currently closest to. • Figure out whether, moving westward, the ship should change clocks when it is halfway between two zone meridians or exactly on a meridian. • Decide in which direction the longitude value will change as the ship continues on 270° true, and which choice represents crossing into the next logical time zone.

✅ Before You Answer

• Confirm how many degrees of longitude correspond to one hour of zone time difference. • Identify the central meridians of the time zones that 54°00'W lies between. • Check which answer choice corresponds to the longitude where you would cross from one zone into the next when heading west on 270° true.

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Question 1 of 2066636ee928f7522a1c51a095

A ship is in longitude 54°00'W on a true course of 270°. The ship's clocks are on the proper time zone. At what longitude should the clocks be changed to maintain the proper zone time?

Back

Question 1 of 20

66636ee928f7522a1c51a095

A ship is in longitude 54°00'W on a true course of 270°. The ship's clocks are on the proper time zone. At what longitude should the clocks be changed to maintain the proper zone time?

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

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