...of light. ”. “ Mass** ” goes to infinity as v approaches c: “ Mass = Energy *...shows the amount of change in mass that results from a given E...results from a given loss of mass. "m" in this formula is actually...a delta m, a *change* of mass. And yes, it *can* be .... The speed of electromagnetic radiation, "c", is not a vectorial quantity ... do so if you like. "c" is a scalar speed, not ...

You wrote: “ ‘ m = E / c^2 * sqrt( 1 - v^2 / c^2 ) ’ So for fixed energy, the mass goes to zero as speed approaches the speed of light. ”. “ Mass** ” goes to infinity as v approaches c: “ Mass = Energy * c^-2 * ( 1 - v^2 / c^2 )^-.5 ”. ** i.e. “ Relativistic Mass ”, not “ Invariant Mass ”, not “ Intrinsic Mass ”, not “ Proper Mass ”.

...) ’ So for fixed energy, the mass goes to zero as speed approaches the speed of light. ”. Actually I wrote: *** begin *** m = E / c^2 * sqrt(1-v^2/c^2) So for fixed energy, the mass goes to zero as speed approaches the speed of light. [smile] (Just kidding on that...all v is ridiculous. “ Mass** ” goes to infinity as v approaches c: “ Mass = Energy * c^-...