Relativistic Energy and Momentum? (Read comments first.)
I learned about this trick due to Wendell Holladay c. 1990 from Joe Heafner. Here is a simplified one-dimensional version. However, it does not appear to be an authentic derivation.
I learned about this trick due to Wendell Holladay c. 1990 from Joe Heafner. Here is a simplified one-dimensional version. However, it does not appear to be an authentic derivation.