Simple example of a physical science graph of two physical quantities.
<a href="//commons.wikimedia.org/wiki/Urocyon" title="Urocyon">Urocyon</a>
2007-06-10
Self-created SVG verson of <a href="//commons.wikimedia.org/wiki/File:ScientificGraphSpeedVsTime.jpeg" title="File:ScientificGraphSpeedVsTime.jpeg">Image:ScientificGraphSpeedVsTime.jpeg</a>, using <a href="https://en.wikipedia.org/wiki/Image:Netscape-navigator-usage-data.svg" class="extiw" title="en:Image:Netscape-navigator-usage-data.svg">en:Image:Netscape-navigator-usage-data.svg</a> as a template.  Both sources are in the public domain.