Re: The Speed of Light

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Article #632

#632

From: Clinton C. Popetz
Date: Tue, 04 Aug 1992 01:50

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wallin@hep7.physics.arizona.edu (Tripp Wallin) writes:

>   Okay but now a question:
>   Why is it the "speed" of light and not the "velocity" of light? 

Because the "speed" of light is contant in all frames of reference with a 
value of 3e8 m/s, however the velocity of light is not constant; it just has
a constant magnitude with the direction varying with circumstance.

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References: <BsCDrB.Bpu@helios.physics.utoronto.ca> <1992Aug3.200726.18986@u.washington.edu> <1992Aug3.174941.3571@arizona.edu>

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From: popetz@ux1.cso.uiuc.edu (Clinton C. Popetz)
Newsgroups: sci.physics
Subject: Re: The Speed of Light
Message-ID: <BsFrsK.Cz8@ux1.cso.uiuc.edu>
Date: 4 Aug 92 01:50:30 GMT
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