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From: phys-l-bounces@carnot.physics.buffalo.edu [phys-l-bounces@carnot.physics.buffalo.edu] On Behalf Of chuck britton [cvbritton@embarqmail.com]
Sent: Monday, July 13, 2009 9:23 PM
To: Forum for Physics Educators
Subject: Re: [Phys-l] Energy Transfer with hammers
Human factors
On Jul 13, 2009, at Jul 13(Mon) 8:33 , Jack Uretsky wrote:
Optimizing the mass with respect to what?
Regards,
Jack