“ E^2 =m^2c^4 = (m0^2c^4)/(1-(v/c)^2) (cp)^2 = (m0cv)^2/(1-(v/c)^2) So, E^2 -c^2p^2 = m0^2p^4. First two eqns do not lead to the third equation. ... (read full comment) ” 

Posted on September 21, 2010 at 10:03 PM EDT