Water discharges from a horizontal cylindrical pipe at the rate of 455 cm3/s. At a point in the pipe where the radius is 2.05 cm, the absolute pressure is 1.66×105 Pa. What is the pipe's radius at a constriction if the pressure there is reduced to 1.21×105 Pa?
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.
Water discharges from a horizontal cylindrical pipe at the rate of 455 cm3/s. At a point in the pipe where the radius is 2.05 cm, the absolute pressure is 1.66×105 Pa. What is the pipe's radius at a constriction if the pressure there is reduced to 1.21×105 Pa?
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