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Re: displacement and graphs

-----Original Message-----
From: John S. Denker [mailto:jsd@MONMOUTH.COM]
Sent: Wednesday, October 10, 2001 6:38 AM
To: PHYS-L@lists.nau.edu
Subject: Re: displacement and graphs


As mentioned previously, displacement generally means
position relative to
some arbitrary reference.

A quick cursory glance at the four introductory texts in arms reach define
displacement not as above, but rather as r_2 - r_1, i.e. as change in
position.

Tipler page 19
Halliday and Resnick "Physics" page 37
Crummett & Western page 41
Lea & Burke page 32

Joel Rauber