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Re: Help! Mass-less Particles

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Posted by Chris/">Chris on January 16, 1998 13:03:00 UTC

Massless particles are referred to as having 0 rest mass. Meaning that if they ever come to a stop, theory predicts they would have no mass. In a practical sense, massless particles, such as photons, never stop or slow down and always travel at the speed of light. Having 0 rest mass means they can zip away at the speed of light without suffering relativistic effects.

: if E = mc2 then how can you have massless particles? : it how can the speed of light squared, times zero, : equal anything else other than zero?

: feel free to email me as well as post the answer!

: tate@aapi.co.uk

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