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Original Usenet message from alt.ascii-art, 27 Mar 2002.
Re: A question for those interested in physics...

Re: A question for those interested in physics...

"Elizabeth" <boo...@greyREMOVErock.org> wrote in message
news:3CA...@greyREMOVErock.org...
> David Squire wrote:
> >
> > "Dr. Rev. Chuck, M.D., P.A." wrote:
> >
> > > David Squire wrote:
> > > >
> > > > "Dr. Rev. Chuck, M.D., P.A." wrote:
> > > >
> > > > > none wrote:
> > > > > >
> > > > > > As far as comparing them to rain... Lead is a lot heavier than
water and
> > > > > > will come down quite a bit faster,
> > > > >
> > > > > Nope.
> > > >
> > > > If its in a pellet the same size and shape it will. The force due to
air
> > > > resistance will be the same in both cases, whereas the force due to
gravity
> > > > will be higher on the lead pellet, due to its higher mass - it is
more than
> > > > 11 times more dense.
> > >
> > > Does the name "Galileo" ring a bell?
> >
> > Does "in a vacuum" ring a bell?
> >
> > Galileo's result is true only in the absence of air resistance. You can
try it at
> > home: drop a feather and a ball bearing from the same height and time
their
> > descents.
> >
> > D.
> If you ring a bell in a vacuum does it make a sound?

You probably know the answer to that one Elizabeth, but i will try to
enlighten all who don't know.  Sound waves need some form of matter in order
to travel.  Since there is no form of matter in a perfect vacuum, one would
have to conclude that the sound waves travel only through the object that
made the sound, i.e. the bell.  Am I close?

> Elizabeth

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