If your mercurial barometer reads 30.50...

Question 1 / 2066636ee928f7522a1c519be2

Question 1 of 2066636ee928f7522a1c519be2

If your mercurial barometer reads 30.50 inches (1033 millibars) and the temperature is 56°F (13°C), what is the correct reading at 55°N, 150°W?

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Question 1 of 20

66636ee928f7522a1c519be2

If your mercurial barometer reads 30.50 inches (1033 millibars) and the temperature is 56°F (13°C), what is the correct reading at 55°N, 150°W?

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🔍 Key Concepts

• Mercurial barometer corrections (height of mercury column vs. gravity at latitude and elevation) • Effect of latitude/gravity on barometer readings (standard gravity vs. gravity at 55°N) • Distinguish between temperature correction and gravity/latitude correction

💭 Think About

• Ask yourself: Has the given barometer reading already been corrected for temperature, or do you only need to apply a latitude/gravity correction to reach the station pressure? • Consider whether moving to 55°N, 150°W would make local gravity slightly stronger or weaker compared to the standard value, and whether that would increase or decrease the indicated pressure for the same actual pressure. • Which answer choice reflects a small correction appropriate for gravity at that latitude, rather than a large change?

✅ Before You Answer

• Verify whether the temperature is already accounted for in the given reading, or if you’re only asked for the corrected reading at that specific place on Earth. • Think about the direction of the correction: does stronger gravity shorten or lengthen the mercury column for the same actual pressure? That tells you if inches/millibars should go up or down. • Check that the numerical change from 30.50 inches is realistic in size for a latitude/gravity correction (it should be a small fraction of an inch, not a large jump).

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Question 1 of 20

If your mercurial barometer reads 30.50 inches (1033 millibars) and the temperature is 56°F (13°C), what is the correct reading at 55°N, 150°W?

30.42 inches (1030 millibars)

30.45 inches (1031 millibars)

30.50 inches (1032 millibars)

30.53 inches (1033 millibars)

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Question 1 / 2066636ee928f7522a1c519be2

Question 1 of 2066636ee928f7522a1c519be2

If your mercurial barometer reads 30.50 inches (1033 millibars) and the temperature is 56°F (13°C), what is the correct reading at 55°N, 150°W?

Back

Question 1 of 20

66636ee928f7522a1c519be2

If your mercurial barometer reads 30.50 inches (1033 millibars) and the temperature is 56°F (13°C), what is the correct reading at 55°N, 150°W?

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