[Phys-L] Re: thrown ball with air drag

[jlu at HEP.ANL.GOV (Jack Uretsky)]

        Square of the inverse final speed, to be more precise.
                                Regards,
                                        Jack
On Mon, 10 Oct 2005, Brian Whatcott wrote:

> At 11:25 AM 10/10/2005, you wrote:
>
> >         The natural scale of velocities is the terminal velocity, let's
> > call its value 1.  The solution for if x is the inverse square of the
> > final velocity, and y is the inverse square of the initial velocity, then:
> >         x=1+y.
> > That is, the inverse velocities (not their squares) form the hypotenuse
> > and vertical side of a right triangle  with unit base, the hypotenuse
> > being the final velocity.
> > ///                                                Jack
>
> I guess that Jack meant that the hypotenuse represents
> the inverse final velocity?
>
>
>
> Brian Whatcott    Altus OK    Eureka!

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