(Bernoulli/continuity) Water collects in the bottom of a rectangular oil tank as shown in the figure below. How long will it take for the water to drain from the tank through a 0.023-m-diameter drain hole in the bottom of the tank? Assume quasisteady flow. Rectangular tank: 3.8 mx9.1 m Oil 1.8 m SG = 0.87 Water 0.7 m 0.023-mdiameter i 7.1152 hr

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Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.