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Bernoulli's principle. A flow of air through a venturi meter. The kinetic energy increases at the expense of the fluid pressure, as shown by the difference in height of the two columns of water. Video of a venturi meter used in a lab experiment. Part of a series on.
A relatively simple version [1] of the vertical fluid pressure variation is simply that the pressure difference between two elevations is the product of elevation change, gravity, and density. The equation is as follows: where. P is pressure, ρ is density, g is acceleration of gravity, and. h is height. The delta symbol indicates a change in a ...
A is the pipe's cross-sectional area (A = πD 2 / 4 ) (m 2), u is the mean velocity of the fluid (m/s), μ (mu) is the dynamic viscosity of the fluid (Pa·s = N·s/m 2 = kg/(m·s)), ν (nu) is the kinematic viscosity (ν = μ / ρ ) (m 2 /s), ρ (rho) is the density of the fluid (kg/m 3), W is the mass flowrate of the fluid (kg/s).
"The majority of the adult body is water, up to 60% of your weight," says Schnoll-Sussman, adding that the average person's weight can fluctuate one to five pounds per day due to water.
The truth is that your weight fluctuates day to day, so those pesky pounds could be a sign that you consumed too much salt one day, or your diet was carb-heavy another day.
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6.674 30 (15) × 10 −11 m 3 ⋅kg −1 ⋅s −2: 2.2 × 10 −5 [6] cosmological constant: 1.089(29) × 10 −52 m −2 [c] 1.088(30) × 10 −52 ...
The surprising answer is 50 kg. In Quine's classification of paradoxes, the potato paradox is a veridical paradox. A visualization where blue boxes represent kg of water and the orange boxes represent kg of solid potato matter. Left, prior to dehydration: 1 kg matter, 99 kg water (99% water). Middle: 1 kg matter, 49 kg water (98% water).