A 10 cm diameter sharp edged orifice (C=0.60) is located at the vertical side of a tank having a horizontal cross section 2 m square. An inflow of 23 L/s keeps the head over the orifice constant. If the inflow is changed to 34L/s, how long will it take for the head over the orifice to reach 2.0 m?

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Q: Volume flow rate

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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.