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

On Feb 22, 9:26=A0am, Erik Max Francis <m...@[EMAIL PROTECTED]
> wrote:
> finite guy wrote:
> > Where is the 'boundary' between Newton and Einstein?
> > What percentage of light 'speed'?
>
> It depends on what accuracy level you're going for. =A0A good rule of
> thumb is that 10% c is the point at which relativistic effects start to
> creep into the third significant figure.
>
> --
> 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 =A0Do we ask what profit the little bird hopes for in singing?
> =A0 =A0 -- Johannes Kepler, 1571-1630

There are too many 'rules of thumb' used for such precise
calculations...
Shall we 'square' the thumb also? Or mutilple it by a finger?