Water flows from left to right through a horizontal pipe that has different diameters in three different sections, as shown below. Assume that the transitions between the sections have a negligible effect on the frictionless flow of water here. a. Rank the speeds (v1, v2, v3) at these three points, from slowest to fastest, and give a logical explanation for your ranking. b. Rank the water pressures (P1, P2, P3) at these three points, from least to greatest pressure, and give a logical explanation for your ranking.
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.
1. Water flows from left to right through a horizontal pipe that has different diameters in three different sections, as shown below. Assume that the transitions between the sections have a negligible effect on the frictionless flow of water here.
a. Rank the speeds (v1, v2, v3) at these three points, from slowest to fastest, and give a logical explanation for your ranking.
b. Rank the water pressures (P1, P2, P3) at these three points, from least to greatest pressure, and give a logical explanation for your ranking.
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