E = mc2 help do you know?

Question

what does E mean?
what does = mean?
what does m mean?
what does c mean?
what does 2 mean?

Now alltogether what does it mean?

Answer 1

E is for Energy (units Joules, J)
= Means equal to
m is mass (units kg)
c is celeritas, which is Latin for the speed of light (units m/s), and is usual taken as a constant having a value of 300,000,000 m/s
C^2 means speed of light multiplied by the speed of light.

Together this equation states that simply put energy and mass are directly related, or mass is energy and energy has mass.

Answer 2

Mass-energy equivalence is the concept that all mass has an energy equivalence, and all energy has a mass equivalence. This is expressed quantitatively using the special relativity equation:

E=mc²

where:

* E = energy equivalent to the mass (J)
* m = mass (kg)
* c = speed of light (m.s-1)

The conversion factor c2 is 89.88 PJ/kg = 21.48 Mt TNT per kg = 149.3 pJ/u = 931.5 MeV/u.

If the energy in the equation is rest energy then the mass must be rest mass or invariant mass.

Conservation of mass and energy

With the concept of mass-energy equivalence, we combine together the conservation of mass and the conservation of energy, allowing mass to be converted to forms of active energy (such as kinetic energy, heat or light) while still retaining mass. (However, if the system is not closed, such energy can be lost along with its associated mass.) Conversely, active energy in the form of kinetic energy or radiation can be converted to particles which have rest mass. The total amount of mass and energy in a closed system (as seen by a single observer) remains constant. Energy cannot be created or destroyed, and in all of its forms, trapped energy exhibits mass. In relativity theory, mass and energy are two forms of the same thing, and neither one appears without the other.

Analysis: Matter/Energy cannot be created or destroyed but matter can be converted into energy.

Answer 3

E(nergy) equals m(@ss) times c(the speed of light)^2 (squared).

It means that energy and mass are actually two different aspects of the same phenomena. Since the speed of light is a very large number, little mass can be converted into a lot of energy.

Answer 4

"E" is a unit of energy, in Joules. "=" means "equal." "m" is a unit of mass, normallly in the Metric System. "c" is the speed of light per second (a constant) and is normally in the Metric System, about 300,000 Kilometers per second. (about 186,000 miles per second. and "2" above "c" means that the value of "c" is squared. It means that mass
and energy are related to each other. In the case of an Atom Bomb, where the release of energy is nearly instant, it means "BOOM."

Answer 5

E=mc^2

where E is energy, m is the mass of an object, and c is the speed of light which you are supposed to square.

exactly what they said lol

Answer 6

E is Energy
= is is equal to
m is mass
c is velocity of light
2 is square

you will read it as "E is equal to m c square"

This equation was derived by Einstein and suggest that energy can be converted to mass and mass can be converted to energy.

Answer 7

energy=E mass=M c2= speed of light all this = 100,000 dead japs