An open cylindrical vessel, 3m high and 1.5m in diameter is filled with water to a depth 2.5m.  In its side is a 50mm circular orifice C = 0.60 placed 300mm above the bottom of the vessel.  The vessel is rotated about its own axis at 60rpm and the water allowed to escape through the orifice for a period of 3 minutes.  Determine the volume (V) of water allowed to escape through the orifice in cubic meters. Answer is 1.440

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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.