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Symbols representing physical quantities, units, mathematical operations and relationships, astronomical bodies, constellations, and the Greek alphabet.
- About This Book
The Physics Hypertextbook is organized like many printed...
- British-American System of Units
Let's move on to… mass (or is it weight?) Actually, it's...
- Intensity
Then square it. ∆v 2 (x,t) = 4π 2 f 2 ∆s 2 cos 2 [2π(x/λ −...
- Aerodynamic Drag
Let's run through all the symbols one at a time, explain...
- Pressure-Volume Diagrams
A system can be described by three thermodynamic variables —...
- Shock Waves
When an object travels slower than sound, the ratio in this...
- Electric Potential
The symbol for electric potential energy is an italic,...
- Gauss's Law
Note that when r = R the field equations inside and outside...
- About This Book
In physics, the letter μ is commonly used to represent the coefficient of friction and magnetic permeability. The coefficient of friction refers to the ratio of the frictional force (F) resisting the motion of two surfaces that are in contact to the normal force (N) that's pressing the two surfaces together.
29 sie 2024 · μs: microsecond. (statistics) population mean. (physics) coefficient of friction. (physics) magnetic permeability. (physics) muon. (physics) Standard gravitational parameter. (dated, metrology, physics) micron. Synonym: μm (micrometre) Coordinate term: Å (ångström)
22 lip 2023 · In physics, μ₀, also referred to as mu naught, represents the vacuum permeability or the measure of resistance offered against the formation of a magnetic field in a vacuum. It is an essential constant in electromagnetism, symbolizing the permeability constant of free space.
U is the letter most similar to V - there are lots of times when, if V is used as a variable for a concept, then U is a variable for a similar concept. So potential energy became U, because someone might have been trying to make a connection with potential voltage.
This is a list of common physical constants and variables, and their notations. Note that bold text indicates that the quantity is a vector.
Both of voltage description "U" and "V" are proper, however it must be mentioned that in European notation "U" describes voltage source while "V" describes rather voltage potential. It means that U = V1 - V1 (voltage is a difference between voltage potentials).
