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  2. List of common physics notations - Wikipedia

    en.wikipedia.org/wiki/List_of_common_physics...

    Symbol Meaning SI unit of measure magnetic vector potential: tesla meter (T⋅m) : area: square meter (m 2) : amplitude: meter: atomic mass number: unitless acceleration: meter per second squared (m/s 2)

  3. Pressure - Wikipedia

    en.wikipedia.org/wiki/Pressure

    The symbol for it is "p" or P. [2] The IUPAC recommendation for pressure is a lower-case p. [3] However, upper-case P is widely used. The usage of P vs p depends upon the field in which one is working, on the nearby presence of other symbols for quantities such as power and momentum, and on writing style.

  4. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    (lowercase) represents: a plane angle in geometry; the angle to the x axis in the xy-plane in spherical or cylindrical coordinates (mathematics) the angle to the z axis in spherical coordinates (physics) the potential temperature in thermodynamics; theta functions; the angle of a scattered photon during a Compton scattering interaction

  5. List of letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/List_of_letters_used_in...

    This page was last edited on 20 December 2024, at 13:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. List of physical quantities - Wikipedia

    en.wikipedia.org/wiki/List_of_physical_quantities

    p →: Product of an object's mass and velocity kg⋅m/s L M T −1: vector, extensive Pop: p →: Rate of change of crackle per unit time: the sixth time derivative of position m/s 6: L T −6: vector Pressure gradient: Pressure per unit distance pascal/m L −2 M 1 T −2: vector Temperature gradient

  7. Psi (Greek) - Wikipedia

    en.wikipedia.org/wiki/Psi_(Greek)

    Psi / ˈ (p) s aɪ, ˈ (p) s iː / (P)SY, (P)SEE [1] (uppercase Ψ, lowercase ψ or 𝛙; Greek: ψι psi) is the twenty-third and penultimate letter of the Greek alphabet and is associated with a numeric value of 700. In both Classical and Modern Greek, the letter indicates the combination /ps/ (as in English word "lapse").

  8. Talk:Pressure - Wikipedia

    en.wikipedia.org/wiki/Talk:Pressure

    Says the article "The upper case P is normally reserved for power." well (as noted above), the lower case p is normally reserved for momentum (sure it's a vector but often written as a scalar). In chemistry & physics it's P. If it's a dicipline-related thing then the "p sometimes P" bit currently on the page is rubbish.

  9. Latin letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Latin_letters_used_in...

    a probability (as in P(E), which reads "the probability P of event E happening") p represents a prime number; the numerator of a fraction; the unit prefix pico (10 −12) [10] a proton, often p + or 1 1 p; the linear momentum in physics equations [10] the perimeter of a triangle or other polygon; generalized momentum [10] the pressure in ...