# energy-mass equation

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**Mass in special relativity**— incorporates the general understandings from the concept of mass energy equivalence. Added to this concept is an additional complication resulting from the fact that mass is defined in two different ways in special relativity: one way defines… … Wikipedia**Energy balance**— has the following meanings in several fields:* In physics, energy balance is a systematic presentation of energy flows and transformations in a system. Theoretical basis for an energy balance is the first law of thermodynamics according to which… … Wikipedia**Mass–energy equivalence**— E=MC2 redirects here. For other uses, see E=MC2 (disambiguation). 4 meter tall sculpture of Einstein s 1905 E = mc2 formula at the 2006 Walk of Ideas, Berlin, Germany In physics, mass–energy equivalence is the concept that the … Wikipedia**Mass in general relativity**— General relativity Introduction Mathematical formulation Resources Fundamental concepts … Wikipedia**Mass–luminosity relation**— In astrophysics, the mass–luminosity relation is an equation giving the relationship between a star s mass and its luminosity. The relationship is represented by the equation: where L⊙ and M⊙ are the luminosity and mass of the sun and… … Wikipedia**Energy-momentum relation**— In special relativity, the energy momentum relation is a relation between the energy, momentum and the mass of a body:: E^2 = m^2 c^4 + p^2 c^2 , ;where c is the speed of light, E ; is total energy, m ; is invariant mass, and p; is momentum.For a … Wikipedia**Equation of state (cosmology)**— In cosmology, the equation of state of a perfect fluid is characterized by a dimensionless number w , equal to the ratio of its pressure p to its energy density rho;: w=p/ ho . It is closely related to the thermodynamic equation of state and… … Wikipedia**mass-en|er|gy equation**— «MAS EHN uhr jee», an equation expressing the relation of mass and energy, formulated by Albert Einstein in 1905: E = mc2; Einstein equation. E = the energy in ergs; m = the mass in grams; c = the velocity of light in centimeters per second.… … Useful english dictionary**Mass spectrometry**— (MS) is an analytical technique that measures the mass to charge ratio of charged particles.[1] It is used for determining masses of particles, for determining the elemental composition of a sample or molecule, and for elucidating the chemical… … Wikipedia**mass-energy equation**— mass′ en′ergy equa tion n. phs the equation, E = mc2, formulated by Albert Einstein, expressing the equivalence of mass and energy, where E is energy, m is mass, and c is the velocity of light • Etymology: 1940–45 … From formal English to slang