E = mc2

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An equation derived by the twentieth-century physicist Albert Einstein, in which E represents units of energy, m represents units of mass, and c2 is the speed of light squared, or multiplied by itself. (See relativity.)

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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

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notes for E = mc2

Because the speed of light is a very large number and is multiplied by itself, this equation points out how a small amount of matter can release a huge amount of energy, as in a nuclear reaction.

Words nearby E = mc2

dziggetai, dzo, Dzongka, Dzungaria, e, E = mc2, Ea, E.A.A., each, each and every one, each other

How to use E = mc2 in a sentence

And the Absinthe House has a full list: Other famous imbibers include P.T. Barnum, Oscar Wilde, and General Robert E. Lee.
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Because Duck Dynasty receives monster TV ratings and Robertson paid by a company (A&E) while making these public statements.
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Originally conceived by author Clarence E. Mulford in 1904, Hopalong was crude, rough-talking, and dangerous.
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The guitar is tuned to E, and an Eminor chord on a guitar just rings and rings forever.
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"He brought Ray Charles to the mix as an influence on rock & roll," E Street Band guitarist Steven Van Zandt once raved.
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E was an Esquire, with pride on his brow; F was a Farmer, and followed the plough.
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True; but as we are far enough now from that point, we must e'en make the best of the bad.
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I can hardly help laughing at this myself; for, Se non e vero, ben Trovato!
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"I supposed you 'adn't, as 'e ain't 'ere, with yer ma," replied the young person.
Rosemary in Search of a Father|C. N. Williamson
Nevertheless, he listened patiently for the thousandth time to the E flat concerto, as Steiniger played it.
Music-Study in Germany|Amy Fay