Energy, Rest Mass, 3-momentum, and 3-speed From 4-momentum
The 4-momentum of a particle is
where is the particle rest mass, is the momentum in 3-space, and
is the energy of the particle.
Read more about this topic: Lorentz Scalar
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“Where the Mind is biggest, the Heart, the Senses, Magnanimity, Charity, Tolerance, Kindliness, and the rest of them scarcely have room to breathe.”
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