[ExI] A Lawn sprinkler
austriaaugust at yahoo.com
Wed Jun 13 19:11:18 UTC 2007
Either it will do that, or it will not move at all,
because the momementum effect will balance the suction
--- A B <austriaaugust at yahoo.com> wrote:
> I'm going to venture a guess and say that it will
> in the same direction as normal. It will follow the
> momentum of the water at the curve ... ?
> Jeffrey Herrlich
> --- spike <spike66 at comcast.net> wrote:
> > I know the answer! I built such a device and
> > it after reading
> > Feynman's book Surely You're Joking Mr. Feynman in
> > the spring of 1986. I
> > won't tell just yet, but I will volunteer that
> > of my fellow undergrads
> > had it completely right beforehand.
> > spike
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