Question 2. Water pipe with an inside diameter of 4.80 cm carries water at an ab- solute pressure of 5.60 x 10 Pa from the basement into the fourth floor of a house. The fourth floor is 9.50 m above the basement and the diameter of the pipe on the fourth floor is 2.50 cm and the water pressure is 4.25 x 105 Pa. a) Find the speed of flow as water enters from the basement. b) Find the speed of flow in the fourth floor. c) Find the volume flow rate through the pipe.
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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