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From: stern@bnl.UUCP (Eric Stern)
Newsgroups: net.physics
Subject: Re: eV
Message-ID: <339@bnl.UUCP>
Date: Tue, 31-Jan-84 19:34:15 EST
Article-I.D.: bnl.339
Posted: Tue Jan 31 19:34:15 1984
Date-Received: Tue, 7-Feb-84 14:31:13 EST
References: <1483@pur-ee.UUCP>
Organization: SUNY StonyBrook
Lines: 6

1 eV = 1.6E-19 Joules 

c = 3.0E8 meters/second so

1eV/(c**2) = 1.6E-19/9E16 Joules/(meters/second)**2 =
	   = 1.8E-36 kg.