Your vessel has a metacentric height of 1.12...

Question 1 / 2066636eec28f7522a1c51d1ba

Question 1 of 2066636eec28f7522a1c51d1ba

Your vessel has a metacentric height of 1.12 feet and a beam of 60 feet. What will your average rolling period be?

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Question 1 of 20

66636eec28f7522a1c51d1ba

Your vessel has a metacentric height of 1.12 feet and a beam of 60 feet. What will your average rolling period be?

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🔍 Key Concepts

• Formula for rolling period using beam (B) and metacentric height (GM) • How GM (metacentric height) affects the quickness or slowness of a vessel’s roll • Unit consistency when plugging values into the rolling period formula

💭 Think About

• What standard approximation formula relates rolling period (T), beam (B), and GM for ships of ordinary form? Write it down first. • After you plug B and GM into the formula, are you remembering to take the square root at the correct step? • Once you calculate a numerical result, which choice is closest to your computed period?

✅ Before You Answer

• Be sure you are using beam (B) in feet and GM in feet in the same formula. • Check that you did not forget the constant that appears in the rolling-period formula used for USCG exam problems. • Verify that the number you get is a reasonable rolling period for a 60-foot beam vessel (neither extremely fast nor extremely slow).

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Question 1 of 20

Your vessel has a metacentric height of 1.12 feet and a beam of 60 feet. What will your average rolling period be?

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