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In terms of the equations of motion (e.g., Navier-Stokes equations), if one uses a length scale , a time scale , and a velocity scale /, the dimension of the inertial term (i.e., the term which represents the time rate of change of momentum per unit volume) is / = /, while the dimension of the viscous term (i.e., the term represented by the ...
Physics portal; This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks. Physics Wikipedia:WikiProject Physics Template:WikiProject Physics ...
Yes, I know that some author/community conventionnaly use the term "power spectral density" for anything which is the square of a given physical quantity per Hz. This usage is however not followed by everyone (by far) (see again IEEE IFCS 1997 p338-357 and IEEE Std 1193), and I was actually trying to clarify that a little more than what was ...
The action principle is so central in modern physics and mathematics that it is widely applied including in thermodynamics, [26] [27] [28] fluid mechanics, [29] the theory of relativity, quantum mechanics, [30] particle physics, and string theory. [31]
As of January 2023, 55,791 English Wikipedia articles have been cited 92,300 times in scholarly journals, [59] from which cloud computing was the most cited page. [60] On January 18, 2023, Wikipedia debuted a new website redesign, called "Vector 2022".
Although a common classroom experiment is often explained this way, [443] Bernoulli's principle only applies within a flow field, and the air above and below the paper is in different flow fields. [444] The paper rises because the air follows the curve of the paper and a curved streamline will develop pressure differences perpendicular to the ...
11 2023 U.S. News: Physics =13 2023 U.S. News: Political Science =4 2021 U.S. News: Psychology =3 2022 U.S. News: Sociology =2 2021 U.S. News: Statistics =7 2022 U.S. News: School of Music, Theatre & Dance: Best Colleges for Music in America 15 2025 Niche; School of Social Work: Best Schools for Social Work 1 2024 U.S. News; Stamps School of ...
It's even a problem to a doctor if a patient can't explain what he's saying. (I have a citation somewhere of a baby who died because its mother didn't understand the doctor's instructions to "push fluids". He used a technical term rather than an ordinary term that his patient would understand.) I once met Stephen Petranek, the editor of Discover.