Al''s water analogy..
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At 9:11 PM +0800 5/3/01, Chris Anderson, you wrote about
[noparse][[/noparse]basicstamps] Re: Al's water analogy..:
>Hey Al, Its my turn to be a smart-***.
>
> >If I punch a hole the size of my fist in the tank, more
> >water will flow per second, but it won't be under so much pressure
>
>Initially the pressure will be the same for both holes, as they would
>presumably be at the same depth from the surface of the water, the pressure
>will reduce faster for the larger hole.
If the water tank is filled with course sand, you have the analog of
internal resistance.
Even a fist sized hole will not be able to drain the tank very quickly.
(ALL generalizations are false. Especially THIS one!)
It's no accident that stressed Chuck Britton
spelled backwards is desserts. britton@n...
[noparse][[/noparse]basicstamps] Re: Al's water analogy..:
>Hey Al, Its my turn to be a smart-***.
>
> >If I punch a hole the size of my fist in the tank, more
> >water will flow per second, but it won't be under so much pressure
>
>Initially the pressure will be the same for both holes, as they would
>presumably be at the same depth from the surface of the water, the pressure
>will reduce faster for the larger hole.
If the water tank is filled with course sand, you have the analog of
internal resistance.
Even a fist sized hole will not be able to drain the tank very quickly.
(ALL generalizations are false. Especially THIS one!)
It's no accident that stressed Chuck Britton
spelled backwards is desserts. britton@n...