Re: arons and dry ice

[Joseph Bellina <jbellina@SAINTMARYS.EDU>]

I've used a bowling ball and hammers on a relative flat smooth floor.

joe

On
Tue, 8 Oct 2002, Justin Parke wrote:

> I read in arons (sorry don't have the specific reference) earlier today the
> section on introducing Newton's laws and specifically the concept of inertia
> and the effects of forces on a body's motion.  He recommends a 50 lb piece of
> dry ice on a sheet of glass.  (!)
>
> Has anyone done this?  How big is the sheet of glass?  How big is 50 lbs of
> dry ice?  I am not sure where I will obtain these things but the idea is a
> great one...much better than 1 dimensional pasco carts or even an air table
> (since the pucks have such low mass).  Are there similar but easier things
> folks have tried?
>
> thanks for the help
>
> Justin
>
> 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.