Re: some calculations

[Withu Ruksvanichpongs <withu@loxinfo.co.th>]

> Hmm, lets count the units on the left side of the equation:
> 
> power:  work/time = mass * length * length / 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	The left side units should be.
	P=mass*length*length/time/time/time
	P=W/t =FV 
	;F=ma
	;a=s/t^2
	;v=s/t
	
  OK,the article explain 8.702E-6 as a correction factor for air density
,gravity,rolling resisteance,etc. it may have unit,but they didn't write
about it.