Re: [Phys-l] Linear Air Drag

[Brian Whatcott <betwys1@sbcglobal.net>]

A wonderful temptation to people replicating Galileo's diluted gravity
by running balls down a grooved board - to fake out ..er.. I mean
pencil-whip their results....

Brian W

chuck britton wrote:
> These look like great density experiment objects and McMaster-Carr 
> carries 'em ! !
>
>   
> >  > Where does one find these hollow ball bearings??
> >     
> > >  
> > >       
> > Sad to tell, like every other kind of industrial product, from China....
> >
> > <http://www.alibaba.com/product/oldsea-11390825-10903528/Hollow_Ball_Hollow_Steel_Ball_Hollow_Stainless_Steel_Ball.html>
> >