Your vessel measures 125 feet long by 17...

Question 1 / 2066636eec28f7522a1c51d1b2

Question 1 of 2066636eec28f7522a1c51d1b2

Your vessel measures 125 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'- 09" is 6 seconds, what is the GM?

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Question 1 of 20

66636eec28f7522a1c51d1b2

Your vessel measures 125 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'- 09" is 6 seconds, what is the GM?

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🔍 Key Concepts

• Metacentric height (GM) formula using rolling period for a vessel in salt water • Correct use of beam (B) and the constant used with the rolling-period formula • Careful unit handling for seconds and feet, and squaring the rolling period

💭 Think About

• What is the standard formula that relates rolling period (in seconds), beam (in feet), and GM for a ship in salt water? Write it out first. • After you plug in the beam and period, what part of the expression must be squared, and how does that affect the size of GM? • Based on your calculation, which GM value is most reasonable for a 125-foot vessel with a 17-foot beam and a 6-second rolling period: relatively small, moderate, or large?

✅ Before You Answer

• Make sure you are using beam (B = 17 ft) in the correct place in the formula, not length or draft. • Confirm whether the rolling period T is squared in the numerator or denominator of the formula you are using. • After computing GM, compare the magnitude with the choices and ask: Does this GM give a relatively stiff or tender ship, and does that match a 6-second period?

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Question 1 of 20

Your vessel measures 125 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'- 09" is 6 seconds, what is the GM?

0.95 foot

1.25 feet

1.55 feet

1.78 feet

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Question 1 / 2066636eec28f7522a1c51d1b2

Question 1 of 2066636eec28f7522a1c51d1b2

Your vessel measures 125 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'- 09" is 6 seconds, what is the GM?

Back

Question 1 of 20

66636eec28f7522a1c51d1b2

Your vessel measures 125 feet long by 17 feet in beam. If the natural rolling period at a draft of 7'- 09" is 6 seconds, what is the GM?

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