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In [[science]], a '''physical constant''' is a number ([[physical quantity]]) that does not change. This is different from a [[mathematical constant]] There are many physical constants in science. Some famous ones are the [[speed of light]], [[Planck ...

There is no physical significance for moment of inertia. It is just a [[Mathematics|mathematical [[Category:Physical quantity]] ...

In physics, a moment is a combination of a physical quantity and a distance. [[Category:Physical quantity]] ...

...ity''', or simply [[concentration]], is a term in [[chemistry]], and its [[physical chemistry]] branch. It measures the concentration of a [[solution]] or [[mi The [[reciprocal]] quantity represents the [[dilution]] (volume) which can appear in Ostwald's [[law of ...

...ation]]s are used to describe the relationship between [[physical property|physical properties]]. For example, in the equation <math>E=mc^2</math>, the letter ...do not change. In the example above, ''<math>c</math>'' represents a known quantity, the [[speed of light]], which is about 186 thousand [[mile]]s per [[second ...

...[[science]]s, '''parameters''' ([[Latin|L:]] ''auxiliary measure'') are [[Quantity|quantities]] that define certain relatively constant [[characteristic]]<now ...mension of time or its [[reciprocal]]." John D. Trimmer, 1950, Response of Physical Systems (New York: Wiley), p.&nbsp;13. ...

...[scalar]], meaning the direction of the force does not affect the physical quantity. ...

[[Category:Physical quantity]] ...

...is turning very fast. The angular frequency is the magnitude of the vector quantity angular velocity which is also known as angular frequency vector <math>\vec ...reas of maths and science as it allows understanding of many properties of physical objects in our world. In [[SI]] units, angular frequency is measured in [[r ...

...substance]] produced by electrolysis is directly [[proportion]]al to the [[quantity]] of the [[electricity]] that passes through the [[Electrolytic cell|cell]] [[Category:Physical chemistry]] ...

[[Category:physical quantity]] ...

...Information|data]] can fit on a [[data storage device]] in relation to its physical size. A [[Blu-ray]] disc has a higher storage density than a [[DVD]] which [[Category:Physical quantity]] ...

'''Momentum''' is a [[vector]] quantity, which has both [[direction]] and [[magnitude]]. Its unit is ''kg m/s'' (ki Momentum is a [[Conservation law|conserved]] quantity, meaning that the total initial momentum of a system must be equal to the ...

...wo-dimensional motion ''requires'' us to use vector notation to define the physical quantities found throughout the [[kinematics]]. ...lculated by substracting two different values intertwined within the given quantity, hence <math>r_2-r_1, t_2-t_1</math>give the desired <math>v={r \over t}</m ...

[[Category:Physical quantity]] ...

...energy is [[mechanical energy]] minus [[kinetic energy]]. It has a scalar quantity measured in [[Joule]]s (J). *The value ''g'' is a [[physical constant]] with the value of 9.81 [[Metre per second squared|metres per sec ...

:''This article is about physical object; for meaning from audio field, see [[loudness]].'' ...often refers to the dimension of the object along the local vertical. All physical objects occupy a volume, even if some are so thin that they appear to be [[ ...

[[Category:Physical quantity]] ...

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[[Category:Physical quantity]] ...