Units
Units of 'E' are kg m^2 s^-2
or
kg(m/s)^2
or
kg m^2 / s^2
or
kg m ( m/s^2)
In words it is a mass(kg) multiplied to distance (m) multiplied to acceleration (ms^-2).
When Basic S.I. units are arranged in this manner they are referred to a Joules.
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The standard unit of energy, be it e=mc^2 or anything else, is Joule.
No. E=mc2 is a formula. Energy equals mass times the speed of light squared.
There is no sum of e=mc2, it is an equation concerning matter and energy. e=mc2 stands for: Energy equals mass times the velocity of light squared. E = M C 2
The concept of E=MC2 was discovered by Henri Poincare.
mass