Re: arons and dry ice

[Joseph Bellina <jbellina@SAINTMARYS.EDU>]

I just used surplus bowling balls from Goodwill...about a buck apiece.
The holes made little or no difference.

joe

On Wed, 9 Oct 2002, Bob LaMontagne
wrote:

> Joe Heafner wrote:
>
> > > From: Bob LaMontagne <rlamont@POSTOFFICE.PROVIDENCE.EDU>
> > >
> > > I love this one. You can get undrilled bowing balls fairly cheap at places like
> > > K-Mart. I bought both an 8 lb and a 16 lb ball. They are the same size so you have to
> > > interact with them to tell which is which. I have the students bat the lighter one
> > > with a foam bat to see how it accelerates. After a while I substitute the heavier one
> > > without saying anything. The look of surprise on their faces is priceless - they can
> > > directly feel the effect of doubling the mass.
> > Ooooooooo...I like this! How much does an undrilled ball go for?
>
> Oddly enough - I saw an ad in the paper at lunchtime. Sports Authority (National chain
> store) has them for $39.95. I bought mine a few years ago for about $30 apiece.
>
> Bob at PC
>
> This posting is the position of the writer, not that of SUNY-BSC, NAU or the AAPT.

Joseph J. Bellina, Jr.               574-284-4662
Associate Professor of Physics
Saint Mary's College
Notre Dame, IN 46556

This posting is the position of the writer, not that of SUNY-BSC, NAU or the AAPT.