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Results tagged with pressure
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user 72875
This tag is for questions relating to pressure, in the physical sciences, the perpendicular force per unit area, or the stress at a point within a confined fluid.
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How do scientists measure vapor pressure?
At this point, the piston is just floating above the water because the air pressure on the inside of the cylinder equals the air pressure on the outside. … How do we know what the vapor pressure of the water is? …
- 1,288
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Is there a contradiction between the continuity equation and Poiseuilles Law?
The continuity equation states that flow rate should be conserved in different areas of a pipe:
$$Q = v_1 A_1 = v_2 A_2 = v\pi r^2$$
We can see from this equation that velocity and pipe radius are inv …
- 1,288
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Why does pressure increase with water depth?
Obviously, the sphere would feel much more pressure in the deep water! But why is that? … My logic here is that the only things capable of DOING the force (to cause pressure) are the water molecules directly in contact with the sphere. …
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