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[Phys-l] E=mc^2 because E=mc^2?
From
: Michael Porter <
listmoe@gmail.com
>
Date
: Mon, 23 Apr 2007 22:13:31 -0400
Scientific American's on-line "Ask the Expert" has a Kwik'n'Eezy derivation of E=mc^2:
<
http://www.sciam.com/askexpert_question.cfm
? chanID=sa005&articleID=1F16687F-E7F2-99DF-39477FE5DA7426E2>
The first equation they use in the derivation is p(photon) = E/c. Doesn't this assume E=mc^2? It looks like circular logic to me. Am I missing something?
Mike
---
Michael Porter
Colonel By Secondary School
Ottawa, Ontario, Canada
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