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{{short description|Velocity of a particle in a medium as it transmits a wave}} ...[[sound]], but it can also be a [[transverse wave]] as with the vibration of a taut string. ...

...alPublications/NIST.SP.330-2019.pdf}}</ref>{{rp|at= Section 2.3.4: Derived units, Table 4}} *''v'' is the [[particle velocity]] in the direction of propagation; ...

{{Short description|Motion of charged particles}} '''Cyclotron resonance''' describes the interaction of external forces with charged particles experiencing a [[magnetic field]], t ...

...ar speed and tangential speed are used interchangeably, and both use units of m/s, km/h, and others. ...rate of rotation, or the same number of rotations or revolutions per unit of time. It is common to express rotational rates in revolutions per minute (R ...

| derivations = {{math|1=''P'' = [[Torque|''M'']]·[[Angular velocity|''ω'']] }} ...ematics)|product]] of the engine [[torque]] and the crankshaft's [[angular velocity]]. ...

...lacement amplitude''' is a [[measurement]] of [[distance]] of the movement of a [[sound particle]] from its [[mechanical equilibrium|equilibrium]] positi ...[air]], the '''particle displacement''' is evident in the [[oscillation]]s of air [[molecule]]s with, and against, the direction in which the sound wave ...

...e body. The units are [[length]]² [[time]]⁻², i.e. [[velocity]] squared, or [[energy]] per [[mass]]. ...onstant [[specific orbital energy]] <math>\epsilon</math> equal to the sum of its specific kinetic and specific potential energy: ...

{{short description|System of quantities used in science and their interrelationships}} ...i-2008-edition |page=10 }}</ref>}} but does not itself determine the units of measurement used for the quantities. ...

...icient''' is an important number that characterizes some physical property of a technical or scientific object. A coefficient also has a scientific refer == Stoichiometric coefficient of a chemical compound == ...

...The [[permittivity]] and [[Permeability (electromagnetism)|permeability]] of the medium define how electromagnetic waves propagate in it. ...e space]] the intrinsic impedance is called the [[characteristic impedance of vacuum]], denoted ''Z''₀, and ...

{{For|the electrical mobility of an [[electron]] or [[electron hole|hole]] in [[solid-state physics]]|Electr ...in response to an [[electric field]] that is pulling them. The separation of ions according to their mobility in gas phase is called [[ion mobility spec ...

{{Short description|Amount of energy transferred or converted per unit time}} | {{math|1=''P'' = [[Force|''F'']]·[[Velocity|''v'']]}} ...

...e could calculate the intensity of the [[kinetic energy]] carried by drops of water from a [[garden sprinkler]]. ...le, the intensity of an electromagnetic wave is proportional to the square of the wave's [[electric field]] amplitude. ...

...ford algebra|Clifford]] or [[geometric algebra]] Cl_3,0('''R''') of the three-dimensional [[Euclidean space]] as a model for (3+1)-dimensional ...is isomorphic to the even subalgebra Cl{{su|p=[0]|b=3,1|lh=1em}}('''R''') of the Clifford algebra Cl_3,1('''R'''). ...

...s, so the total power radiated is proportional to the square of the number of electrons accelerating.]] ...ed in the text on the last page.</ref> in the context of the [[wave theory of light]]. ...

...r square meter (W/m²). One application is the noise measurement of sound [[intensity (physics)|intensity]] in the air at a listener's location [[#Sound intensity level|Sound intensity level]] is a logarithmic expression of sound intensity relative to a reference intensity. ...

This article summarizes [[equation]]s in the theory of [[fluid mechanics]]. ...the component of flux passing through the surface, multiplied by the area of the surface (see [[dot product]]). For this reason flux represents physical ...

{{Short description|Flow rate of water that is transported through a given cross-sectional area}} ...scharge Measurements at Gaging Stations: U.S. Geological Survey Techniques of Water-Resources Investigations, Book 3, Chapter A8, p. 1.]</ref> It include ...

...ttp://philsci-archive.pitt.edu/4020/1/CosmicTime.pdf On the physical basis of cosmic time] by S.E. Rugh and H. Zinkernagel</ref><ref>{{cite book ...r and complementary to the comoving coordinates) is blind to the expansion of the universe. ...

{{Short description|Change in velocity per amount of fuel}} ...rry, specific impulse is exactly proportional to the effective exhaust gas velocity. ...