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From: alle@ihuxb.UUCP (Allen England)
Newsgroups: net.physics
Subject: Re: 1.5C
Message-ID: <405@ihuxb.UUCP>
Date: Fri, 21-Oct-83 17:37:56 EDT
Article-I.D.: ihuxb.405
Posted: Fri Oct 21 17:37:56 1983
Date-Received: Sat, 22-Oct-83 14:58:01 EDT
References: <339@pucc-h> <530@alberta.UUCP>
Organization: AT&T Bell Labs, Naperville, Il
Lines: 7

Your mistake is in adding the two velocities together to get
the relative velocity.  Vt = V1 + V2 only holds for velocities
much less than the speed of light.  That is one of the basic
differences between Newtonian Physics and Relativity.

Allen England at AT&T Bell Laboratories, Naperville, IL
ihnp4!ihuxb!alle