Re: [Phys-L] uncertainty principle .... was: ground-state energies

[brian whatcott <betwys1@sbcglobal.net>]

On 11/4/2018 8:14 PM, John Denker via Phys-l wrote /in part/:
> Planck's constant is also called  _the quantum of action_ .
> Action means area in phase space.
>
> I cringe whenever somebody says that quantum mechanics
> says energy is quantized in units of ℏ ... because
> energy is not quantized, and ℏ doesn't even have units
> of energy.  It has units of action i.e. momentum times
> distance aka energy times time.
It seems that John is not the only one cringing presently?
My elementary kinematics insights do not equate
m.v.s and m.v^2 / 2

Brian W