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'emc2' means nothing!!!

If you mean

E = mc^(2)

This means

Energy(E)

Equal(=)

mass(m)

Multiplied to

The speed of light squared. c^(2)

It is from nuclear physics.

Note its similarity to

K.E. = mv^(2)

The energy of 'slow' moving objects.

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lenpollock

Lvl 16
2mo ago

What else can I help you with?