Re: What would the end velocity be if...?

On Feb 22, 10:13=A0am, Erik Max Francis <m...@[EMAIL PROTECTED]
> wrote:
> finite guy wrote:
> > On Feb 22, 9:29 am, Erik Max Francis <m...@[EMAIL PROTECTED]
> wrote:
> >> finite guy wrote:
> >>> Regarding rocket.html
> >>> A photon is an 'object'.
> >>> It's mass=3D0 but it has momentum...
> >>> E=3Dm*c^2 but a photon has energy...
> >>> Is this not incongruent?
> >> Well, photons can't undergo constant acceleration due to rocket
thrust,=

> >> so that's really relevant to the equations James was just talking
about=
..
>
> >> The answer to your question is that there is no problem with photons
> >> have no mass but having momentum and energy because the most general
> >> equation in special relativity relating energy, momentum, and mass is
>
> >> =A0 =A0 =A0 =A0 E^2 =3D m^2 c^4 + p^2 c^2.
>
> >> For a particle at rest (p =3D 0), this decays to E =3D m c^2, the
more
> >> familiar popularized Einstein equation. =A0For a massless particle
like=
 a
> >> photon (m =3D 0), this decays to E =3D p c, the equation relating a
lux=
on's
> >> energy to its momentum.
>
> > A particle is 'at rest' at delta time =3D 0...
> > How do you successfully divide by zero?
>
> No division by zero is taking place in anything I wrote, so I don't know
> what you're talking about.
>
> If you're asking how to consider instantaneously changing variables,
> then the answer is differential calculus.
>
> --
> Erik Max Francis && m...@[EMAIL PROTECTED]
 &&http://www.alcyone.com/max/
> =A0 San Jose, CA, USA && 37 18 N 121 57 W && AIM, Y!M erikmaxfrancis
> =A0 =A0History is a set of lies agreed upon.
> =A0 =A0 -- Napoleon Bonaparte- Hide quoted text -
>
> - Show quoted text -

I'm asking you to consider how a photon moves from here to there.