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Apr 13, 2017 at 12:40 history edited CommunityBot
replaced http://physics.stackexchange.com/ with https://physics.stackexchange.com/
Oct 15, 2016 at 18:17 history edited Rococo CC BY-SA 3.0
added 6 characters in body
Oct 15, 2016 at 18:12 history edited Rococo CC BY-SA 3.0
corrected an important mistake and discussed relativistic KE properly.
Oct 15, 2016 at 17:42 comment added Rococo @Virgo this requires an edit to fully address, so I am doing that now...
Oct 15, 2016 at 17:41 comment added Rococo @BillN $h\nu$ isn't a type of energy, it is more like a statement about what energy is in a quantum theory. The debroglie frequency is determined by the total energy of a particle, kinetic and potential.
Oct 13, 2016 at 18:57 comment added Obliv @Virgo mass-energy isn't considered a dynamic energy. Lagrangian only treats dynamics of a system afaik.
Oct 13, 2016 at 4:16 comment added Bill N Are you counting $E=h\nu$ as kinetic energy? If so, why?
Oct 13, 2016 at 0:47 comment added Virgo Shouldn't you also be including energy from the mass of the particle as in $E=mc^2$?
May 4, 2016 at 15:35 comment added Obliv Thank you for this I will eventually learn lagrangian/hamiltonian mechanics so I am sure I will be able to understand this properly one day.
May 3, 2016 at 5:00 history edited Rococo CC BY-SA 3.0
added 389 characters in body
May 3, 2016 at 2:31 comment added Rococo Pre-empative comment: I know that I am glossing over some subtleties that are discussed, for example, here: physics.stackexchange.com/questions/18588/… . I welcome any thoughts on how to make this answer as rigorous as possible while still remaining reasonably focused and at least somewhat at the level of the OP.
May 3, 2016 at 2:22 history answered Rococo CC BY-SA 3.0