P2 P1 Water moves through a constricted pipe in stead, ideal flow. At the lower point, the pressure is P1 = 1.75 x 104 Pa and the pipe diameter is 6.0 cm. At another point y = 0.25 m higher, the pressure is P2 = 1.2 x 104 Pa and the pipe diameter is 3.0 cm. Find the speed of flow at point 1. Hint: You will have 2 unknowns (v1 and v2) which require 2 equations to solve. One is Bernoulli's eq, another is the flow rate eq.
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.
![P2
P1
Water moves through a constricted pipe in stead, ideal flow. At the lower
point, the pressure is P1 = 1.75 × 104 Pa and the pipe diameter is 6.0 cm.
At another point y = 0.25 m higher, the pressure is P2 = 1.2 × 104 Pa and
the pipe diameter is 3.0 cm.
Find the speed of flow at point 1.
Hint: You will have 2 unknowns (v1 and v2) which require 2 equations to
solve. One is Bernoulli's eq, another is the flow rate eq.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca3e8b08-081b-41c3-a326-676fecff0adb%2F2cf5cf9b-6173-431d-9bb1-342dd9d0d468%2Fm5wcofl_processed.png&w=3840&q=75)
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