On 4/10/07, David VanHorn <dvanhorn@microbrix.com> wrote:
> >
> >   a ~= 74.38 g
>
> Ok, thanks, but that impact is what I'm looking to quantify.
> I have times of 1/1000 to 1/2000 sec for the impact, various sources,
> fair reliability I think.

That seems rather fast, but OK...

Also, if you google "baseball impact physics", you quickly find
   http://webusers.npl.uiuc.edu/~a-nathan/pob/

with a link to an article in the Nov. 2000 American Journal of
Physics:  "Dynamics of the baseball--bat collision"
   http://webusers.npl.uiuc.edu/~a-nathan/pob/AJP-Nov2000.pdf

Bill

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