4.0 mm Consider the following diagram. (let air be an ideal, incompressible fluid) 2.0 cm 1200 cm's a. If the air is found to have a flow rate of 1200 cm³/s as it leaves the Hg 4.00 mm diameter pipe, what is the velocity of the air in both segments of the pipe? p. If the density of air is 1.28 kg/m³ and the end of the pipe on the right opens up to the atmosphere, what is the pressure of the pipe at the 2.00 cm diameter section?
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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