As an easily envisioned example, consider dropping a stone from a height of
3 ft above the ground. During the ensuing gravitational interaction between
the stone and the earth, the stone travels a spatial interval of 3 ft, while
the earth travels only a very tiny (immeasurable) spatial interval.
Bob Sciamanda
Physics, Edinboro Univ of PA (Em) http://www.winbeam.com/~trebor/
trebor@winbeam.com
----- Original Message -----
From: "John Barrer" <forcejb@YAHOO.COM>
To: <PHYS-L@LISTS.NAU.EDU>
Sent: Thursday, February 17, 2005 3:54 PM
Subject: Re: collision question
| --- Bob Sciamanda <trebor@WINBEAM.COM> wrote in part:
| SNIP
| The interaction forces
| > operate over a common
| > temporal interval, but not necessarily over a common
| > spatial interval.
| How are the spatial intervals different?
| John Barrere University HS, Fresno, CA
|
|