he problems below. lam holds back the water in a lake. If the dam has a small hole, ow the surface of the lake, then at wwhat speed d.oes water exit the mall circular hole 5.00 mm in diameter is cut in the side of a large 0 m below the water level ir. the tank. The wateer tank is sealed ar above the water at a gauge pressure of 2.00 atm. What is he speed of efflux of the water coming out of the hole? What is he olume discharged per second?
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
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