Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: notesfiles - hp internal release 1.2; site hp-kirk.UUCP Path: utzoo!watmath!clyde!floyd!harpo!seismo!hao!hplabs!hp-pcd!nathanm From: nathanm@hp-pcd.UUCP Newsgroups: net.physics Subject: Re: eV Message-ID: <12600004@hp-pcd.UUCP> Date: Fri, 17-Feb-84 20:30:00 EST Article-I.D.: hp-pcd.12600004 Posted: Fri Feb 17 20:30:00 1984 Date-Received: Wed, 8-Feb-84 08:30:14 EST References: <1483@pur-ee.UUCP> Organization: Hewlett-Packard - Corvallis, OR Lines: 16 Nf-ID: #R:pur-ee:-148300:hp-kirk:12600004:000:483 Nf-From: hp-kirk!nathanm Feb 2 17:30:00 1984 For the answer to this dilemma, let us engage in a little "dimensional analysis": Yes, eV is a unit of energy. Energy is also expressed as mass*distance*distance/(time*time). Divide that by c^2 (c is in distance/time) and, lo and behold, you have mass. This is a common way of expressing mass in relativistic physics, in accordance with Einstein's mass-energy relation: m=E/c^2 where E is energy. ---- Nathan Meyers {hplabs,allegra!harpo}!hp-pcd!nathanm