Your vessel measures 119 feet long by 17...

Question 1 / 2066636eec28f7522a1c51d1ad

Question 1 of 2066636eec28f7522a1c51d1ad

Your vessel measures 119 feet long by 17 feet in beam. If the natural rolling period at a draft of 5'-05" is 6 seconds, what is the GM?

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Question 1 of 20

66636eec28f7522a1c51d1ad

Your vessel measures 119 feet long by 17 feet in beam. If the natural rolling period at a draft of 5'-05" is 6 seconds, what is the GM?

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🔍 Key Concepts

• Metacentric height (GM) and how it relates to rolling period • Standard rolling-period formula that links T, beam (B), and GM • Importance of converting all lengths into the same units (feet) before calculating

💭 Think About

• What is the common stability formula that connects rolling period (T), beam (B), and GM for a vessel in feet and seconds? Write it down and solve it symbolically for GM first. • After solving algebraically, plug in the given values for beam and rolling period. Are you sure you are using the correct form of the formula (check whether B is squared or under a square root)? • Once you compute a numerical value for GM, which choice is closest to your result? Does that value make sense for a relatively narrow 119-foot vessel with a 6-second roll period (quick roll vs. slow roll)?

✅ Before You Answer

• Convert the beam from 17 feet directly (no conversion needed), but make sure you don’t mistakenly use the vessel’s length instead of the beam. • Double-check that the rolling period (T = 6 seconds) is correctly placed in the formula (numerator vs. denominator and whether it is squared). • After calculating GM, compare it with typical small-vessel GM values (on the order of a few feet or less) to see if the result is physically reasonable before choosing your answer.

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Question 1 of 20

Your vessel measures 119 feet long by 17 feet in beam. If the natural rolling period at a draft of 5'-05" is 6 seconds, what is the GM?

1.14 feet

1.36 feet

1.55 feet

1.96 feet

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Question 1 / 2066636eec28f7522a1c51d1ad

Question 1 of 2066636eec28f7522a1c51d1ad

Your vessel measures 119 feet long by 17 feet in beam. If the natural rolling period at a draft of 5'-05" is 6 seconds, what is the GM?

Back

Question 1 of 20

66636eec28f7522a1c51d1ad

Your vessel measures 119 feet long by 17 feet in beam. If the natural rolling period at a draft of 5'-05" 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