At 06:52 PM 5/1/01 -0500, you wrote:
>On Tue, 1 May 2001, Alberto Monteiro wrote:
>
> >
> > J. van Baardwijk wrote:
> >
> > >2. Once James is under water, the water will slow him down. At how many
> > >meters below the surface will his speed reach 0.00 m/s?
> > >
> > Again, not enough data - but he would probably sink forever. AFAIK, the
> > density of a living human being is bigger than the density of water.
>
>It depends on the person, actually. Last I got in enough water to tell, I
>was less dense than the water. I took a swim class in college where a few
>of the students (mostly guys) were dense enough that when they tried to
>float, they'd sink like rocks. I, on the other hand, had a hard time
>getting very far below the surface without either carefully falling into
>the pool (think a diving position getting in) or deflating my lungs (which
>wouldn't let me function quite as long underwater).
>
>I have no idea what my density is now, but, let's see, there's some extra
>fat (which is less dense than water) between my knees and where my waist
>used to be, extra something-or-other in my breasts (and they float in the
>bathtub), and then there's all that stuff going on in my uterus. Some of
>it is amniotic fluid, which has a density very close to water (being
>mostly water), and I don't know about the fetus or the placenta. There
>may be some extra muscle mass built up in my legs from dragging more mass
>up the stairs all the time (2-story house). There's the extra fluid I'm
>retaining, which is probably close to the density of water. There's extra
>blood in my system, but I'm not sure how much, and that is denser than
>water. Anyone care to guess how my density is compared to what it was
>last August, before this wiggly little thing currently in my belly was
>created?
>
> Julia
Have you tried placing your bathroom scales in the bathtub before you take
a bath, so you can weigh yourself in water, then plug that and your weight
in air into the usual formula for specific gravity?
Well, it was an idea . . .
;-)
-- Ronn! :)
