<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Fri, 17 Apr 2026 07:50:42 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/ccsf/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[momentum ]]></title><description><![CDATA[1 Conservation of linear momentum: If the net external force acting on system of objects is zero, the vector sum of the momenta of the objects will remain constant. In collisions and explosions, the vector]]></description><link>http://direct.ecency.com/ccsf/@doyi/momentum</link><guid isPermaLink="true">http://direct.ecency.com/ccsf/@doyi/momentum</guid><category><![CDATA[ccsf]]></category><dc:creator><![CDATA[doyi]]></dc:creator><pubDate>Thu, 24 Oct 2019 16:26:48 GMT</pubDate></item></channel></rss>