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Density

작성자 Uploader : physics 작성일 Upload Date: 2017-02-25변경일 Update Date: 2019-03-25조회수 View : 487

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume. The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used. Mathematically, density is defined as mass divided by volume:

ρ = m / V

where ρ is the density, m is the mass, and V is the volume. In some cases (for instance, in the United States oil and gas industry), density is loosely defined as its weight per unit volume, although this is scientifically inaccurate – this quantity is more specifically called specific weight.


*** 참고문헌[References] ***

https://en.wikipedia.org/wiki/Density
ρ = m / V
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변수명 Variable 변수값 Value 변 수 설 명 Description of the variable


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