Talk:PlanetPhysics/Position
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[edit source]%%% This file is part of PlanetPhysics snapshot of 2011-09-01 %%% Primary Title: position %%% Primary Category Code: 06.30.Bp %%% Filename: Position.tex %%% Version: 3 %%% Owner: Wkbj79 %%% Author(s): Wkbj79 %%% PlanetPhysics is released under the GNU Free Documentation License. %%% You should have received a file called fdl.txt along with this file. %%% If not, please write to gnu@gnu.org. \documentclass[12pt]{article} \pagestyle{empty} \setlength{\paperwidth}{8.5in} \setlength{\paperheight}{11in}
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The \emph{position} of an \htmladdnormallink{object}{http://planetphysics.us/encyclopedia/TrivialGroupoid.html} is its location. It is usually denoted as $x$. When working in more than one dimension, position may be considered as a \htmladdnormallink{vector}{http://planetphysics.us/encyclopedia/Vectors.html} quantity; it can then be denoted as $\mathbf{x}$.
Position is frequently considered as a \htmladdnormallink{function}{http://planetphysics.us/encyclopedia/Bijective.html} of time. In the one-dimensional case, the notations $x(t)$ and (more rarely) $s(t)$ are used. On the other hand, when working in more than one dimension, the notation $\mathbf{x}(t)$ is used.
The SI unit of position is $\mathrm{m}$ (meters).
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