# Re: some calculations

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On Tue, 13 Aug 1996, Alexei M Voloshin wrote:

>
>
> On Tue, 13 Aug 1996, Withu Ruksvanichpongs wrote:
>
> >
> >
> > On Mon, 12 Aug 1996, Alexei M Voloshin wrote:
> >
> > >
> > > What are the untis of the coefficient 8.702E-6 ??? (length, time, mass?????)
> > >
> > > >
> > > >                                 Power(hp)=8.702E-06*Cd*Area * V * V * V
> >
> > 	That number is just a constance,no unit.
> >
> >
> Hmm, lets count the units on the left side of the equation:
>
> power:  work/time = mass * length * length / time / time

SORRY - THE LAST LINE SHOULD READ:
power: work/time = mass * length * length / time / time/ time

>
> the right side:
>
> Cd = no units
> Area = length * length
> V = length /time
>
> Cd * Area * V * V * V = length * length * length *length * length / time
> /time /time
>
> The units on the right side don't match the units on the left side!!!!
> Either your equation is invalid or you're not telling the whole story??!!!
>
> Alex
>

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