A symmetric U-tube is open to the atmosphere at both ends. Water with a density 1x10^3 kg/m^3 is poured into a tube until the water rises halfway along the straight sides. Then some unknown liquid with a density of 8.5 x 10^2 kg/m^3 is poured into one end. This causes the water surface on that side to go down by 9mm. Calculate the height of the unknown liquid in the tube, h.
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.
A symmetric U-tube is open to the atmosphere at both ends. Water with a density 1x10^3 kg/m^3 is poured into a tube until the water rises halfway along the straight sides. Then some unknown liquid with a density of 8.5 x 10^2 kg/m^3 is poured into one end. This causes the water surface on that side to go down by 9mm. Calculate the height of the unknown liquid in the tube, h.
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