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From: student@nmtvax.UUCP
Newsgroups: net.physics
Subject: Re: 1.5C
Message-ID: <504@nmtvax.UUCP>
Date: Sat, 22-Oct-83 13:55:13 EDT
Article-I.D.: nmtvax.504
Posted: Sat Oct 22 13:55:13 1983
Date-Received: Tue, 25-Oct-83 06:14:39 EDT
References: <339@pucc-h> <530@alberta.UUCP>
Organization: New Mexico Tech, Socorro, NM
Lines: 18

The law (or theory) of Relativity states that velocities are not
simply additive as the laws of Newton stated. The actual method
of determining the final relative velocity is

                          V1 + V2
                    Vt = ----------
                         1 + V1*V2

Note: if this formula reminds you of a geometry formula for the
addition of the tangents of two angles congradulations, it's
supposed to.

Note also: I know the sign in the bottom is positive but we not
working in Euclidean space.
-- 
Sincerely;
Greg Hennessy
..ucbvax!unmvax!nmtvax!student