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Not a "number." Energy is the speed of light squared times mass, so E = mc2.

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Q: Energy is the speed of light squared times what number?
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What is Einstein contribution to the field of physics?

E=mc2 (squared) E is energy M= Mass C=speed of light squared energy=mass*speed of light squared Basically the concept that the body's mass is equal to its energy content ****the speed of light is measured in a vacuum


What number represent e equals mc2?

no number E=energy m=mass and c=speed of light squared


What does e equals mc2 stand for?

Energy equals mass multiplied by the speed of light squared


Which statement best describes the concept of Einstein equation E mc2?

That mass and energy are interchangeable substances. Energy = mass * speed of light squared Mass = energy/speed of light squared A direct mathematical relationship with the speed of light as a constant.


What does Emc squared stand for?

It stands for Energy=mass times the speed of light squared


Who discovered the equation energy times speed of light squared?

Einstein


How do matter and energy interact?

By the equation e=mc(squared) which says energy equals mass times the speed of light squared.


What is an explanation of E equals mc squared?

Energy equals mass times the speed of light squared.


What does e plus mc squared mean?

E=MC2 means that energy is equal to mass times the speed of light squared E=Energy M=Mass C=Speed of Light E+MC2 mean Energy+(Mass*Speed of Light)2 (squared) (This is using Albert Einstein's theory of what M,C and E means.


In the equation Emc2 what does the 'c' stand for?

Energy equals mass times the speed of light squared. C is the speed of light


Speed of light squared?

That is used as a conversion factor between mass and energy.


What do you mean by E mc?

E stands for energy, M for mass, and C squared for the speed of light squared.