Saturday, April 18, 2015

The concept of mass (mass, energy, relativity)

You definitely saw this at least once

 In most school, college and undergraduate courses of  Special Theory of Relativity (STR) there is a misconception that uses this formula to infer a particle mass from the particle's full energy, for example a mass is assigned to a moving photon which is a particle of zero mass. Actually, the mass is an invariant. There is a well written explanation of a conception of mass in Special Theory of Relativity written by a russian theoretical physicist L.B. Okun .

For English speaking readers follow this link The concept of mass ( mass, energy, relativity )

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