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Ship stability is an area of naval architecture and ship design that deals with how a ship behaves at sea, both in still water and in waves, whether intact or damaged. Stability calculations focus on centers of gravity, centers of buoyancy, the metacenters of vessels, and on how these interact.
The metacentric height is an approximation for the vessel stability at a small angle (0-15 degrees) of heel. Beyond that range, the stability of the vessel is dominated by what is known as a righting moment. Depending on the geometry of the hull, naval architects must iteratively calculate the center of buoyancy at increasing angles of heel.
Beginning in 1942, taxpayers could exclude 50% of capital gains on assets held at least six months or elect a 25% alternative tax rate if their ordinary tax rate exceeded 50%. [11] From 1954 to 1967, the maximum capital gains tax rate was 25%. [12] Capital gains tax rates were significantly increased in the 1969 and 1976 Tax Reform Acts. [11]
Schedule D also requires information on any capital loss carry-over you have from earlier tax years on line 14, as well as the amount of capital gains distributions you earned on your investments.
As an example, if you purchased a vintage dining set in 2010 for $500 and sold it in 2024 for $2,500, you have a capital gain of $2,000. If you and your spouse file together and earned a total of ...
The stability conditions of watercraft are the various standard loading configurations to which a ship, boat, or offshore platform may be subjected. They are recognized by classification societies such as Det Norske Veritas , Lloyd's Register and American Bureau of Shipping (ABS).
Simpson's rules are used to calculate the volume of lifeboats, [6] and by surveyors to calculate the volume of sludge in a ship's oil tanks. For instance, in the latter, Simpson's 3rd rule is used to find the volume between two co-ordinates. To calculate the entire area / volume, Simpson's first rule is used. [7]
The Code for Intact Stability was first issued in 1993 under IMO resolution A.749(18)). [1] In 2008, the Code was updated by the IMO. [1] In December 2019, amendments to the Code were adopted that entered into force on 1 January 2020. [5]