Re: [Phys-l] Ballistics divertissement

[jbellina <jbellina@saintmarys.edu>]

I think this conversation is very interesting.  I like the range of  
ideas...reminds me of our students.

cheers,

joe
Joseph J. Bellina, Jr. Ph.D.
Professor of Physics
Saint Mary's College
Notre Dame, IN 46556

On Oct 6, 2006, at 1:37 PM, Kilmer, Skip wrote:

> Shouldn't it also depend on the mass and velocity of the expelled gas?
> I don't know, but it seems reasonable that blanks would have a  
> smaller charge. My only experience with firing blanks is using a  
> starter's pistol, and it had noticeably less recoil than my 9mm  
> semiauto. I doubt that that's a good comparison, since the starter  
> blanks were .22s.
> skip
>
> -----Original Message-----
> From: phys-l-bounces@carnot.physics.buffalo.edu
> [mailto:phys-l-bounces@carnot.physics.buffalo.edu]On Behalf Of Spagna
> Jr., George
> Sent: Friday, October 06, 2006 12:28 PM
> To: Forum for Physics Educators
> Subject: Re: [Phys-l] Ballistics divertissement
>
>
> Bernard wrote
>
> > -----Original Message-----
> > From: phys-l-bounces@carnot.physics.buffalo.edu
> [mailto:phys-l->bounces@carnot.physics.buffalo.edu] On Behalf Of  
> Bernard
> Cleyet
> > Sent: Friday, October 06, 2006 1:19 PM
> > To: Forum for Physics Educators
> > Subject: Re: [Phys-l] Ballistics divertissement
>
> > -- I thought the recoil was independent of the 
> > bullet, i.e. only depended on the charge.  What one feels will depend
> on
> > the mass of the weapon.
>
> Conservation of linear momentum - the recoil depends on the muzzle
> velocity, the mass of the bullet, and the mass of the weapon.
> **********************************************
>
>  "I was a Republican until they lost their minds."
>                               -- Charles Barkley
>
> **********************************************
>
> Dr. George Spagna
> Chair, Physics Department
> Randolph-Macon College
> P.O. Box 5005
> Ashland, VA 23005-5505
>
> phone: (804) 752-7344
> fax: (804) 752-4724
> e-mail: gspagna@rmc.edu
> http://faculty.rmc.edu/gspagna
>
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