What does the symbol U stand for in physics?
– In classical mechanics, U is often used to represent potential energy .
Specifically, it’s used as a symbol for gravitational potential energy and elastic potential energy.
– In electrodynamics, U is used to represent electric potential energy.
– In thermodynamics, U is often used as the symbol for internal energy ..
What does ψ mean?
The letter Ψ means incorporeal. Corpus means body. … Psei (ψεῖ) is the name of the letter Ψ, literally “incorporeal essence (of) divine-power.” The original shape of the letter Ψ was angular, a combination of the letter Υ (“pure”) and the letter Ι (“divine-power”).
What is this symbol ψ?
Psi /ˈsaɪ/ (uppercase Ψ, lowercase ψ; Greek: ψι psi [ˈpsi]) is the 23rd letter of the Greek alphabet and has a numeric value of 700. In both Classical and Modern Greek, the letter indicates the combination /ps/ (as in English word “lapse”).
What is ρ in physics?
(physics) density. (mathematics) Dickman function.
What unit is P in physics?
pascalLatin charactersMeaningSI unit of measureprobabilityunitlessmomentumkilogram meter per second (kg⋅m/s)pressurepascal (Pa)electric chargecoulomb (C)107 more rows