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abstraction > mathematical concept > number > quantity > energy > rest-mass energy |
rest-mass energy | ||||
subject | fact |
rest-mass energy | has definition The energy which a particle has even when it is at rest. According to the famous relation E = mc2 of special relativity, this rest energy is equal to the rest mass of the particle-the mass it has when a rest-times the square of the speed of light. If the mass is in grams and the speed of light in centimeters per second (c = 2.998 × 1010 centimeters per second), then the energy is given in ergs. | |
is a kind of energy | ||
energy | has unit energy unit | |
number | has value |