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Re: [Phys-l] momentum and energy



Al Bachmanwrote:
" > bc forgot that it is the momentum transfer that is constant, not V . . ."

Not so.

The momentum transferred from m (initial velocity v) to M (initially at rest) is:

MV = (2mMv) / (m+M) , which is NOT constant as M/m is varied.

What ARE held constant are the total system momentum and KE.

Bob Sciamanda
Physics, Edinboro Univ of PA (Em)
http://www.winbeam.com/~trebor/
trebor@winbeam.com
----- Original Message ----- From: "Al Bachman" <bachman_28@msn.com>
To: "Forum for Physics Educators" <phys-l@carnot.physics.buffalo.edu>
Sent: Wednesday, November 15, 2006 7:34 PM
Subject: Re: [Phys-l] momentum and energy


bc forgot that it is the momentum transfer that is constant, not V.
. . .