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Subject:Re: NOVC Comment on fuel economy, drag and velocity
From:Andrew Grebneff
Date:Fri, 25 Jan 2008 03:04:35 +1300

>  Average velocity along interstate 5
>  > was 80.6 mph

It's only velocity if you state the direction. Velocity is a vector
quantity. Otherwise it's speed. The two terms are not interchangable.
--
Andrew Grebneff
Dunedin
New Zealand
Fossil preparator
Seashell, Macintosh, VW/Toyota van nut
� Opinions stated are mine, not those of Otago University
"There is water at the bottom of the ocean"  - Talking Heads