Density
Density is a measure of mass per unit volume. In maritime context, it is an important concept used to determine the buoyancy of a ship. The density of seawater varies depending on the temperature, salinity, and pressure. The density of a ship's hull and cargo also affects its buoyancy and stability. The displacement of a ship is the weight of the water it displaces, which is equal to the weight of the ship and its contents. The density of the water and the volume of the displaced water determine the displacement of the ship. Density is also used to calculate the weight of fuel and other liquids on board a ship.
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