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Title: This From Another Ignorant Person Like Me.
Post by: Solitary on June 11, 2013, 11:50:10 AM

:evil:

Title: Re: This From Another Ignorant Person Like Me.
Post by: Sal1981 on June 11, 2013, 07:04:09 PM

E = mc^2 is not the complete story, that is for masses at rest (zero velocity relative to your momentum); the Pythagorean analogue is much better, described in this YouTube video:

[youtube:1rne9r5s]http://www.youtube.com/watch?v=NnMIhxWRGNw[/youtube:1rne9r5s]

Or a more indepth of the same thing from my favorite physics channel

[youtube:1rne9r5s]http://www.youtube.com/watch?v=mkiCPMjpysc[/youtube:1rne9r5s]

Title: Re: This From Another Ignorant Person Like Me.
Post by: josephpalazzo on June 11, 2013, 07:57:56 PM

For those who are slightly math inclined see my blog:Einstein's Derivation of the Famous Equation, E=mc2 (//http://soi.blogspot.ca/2013/06/einsteins-derivation-of-famous-equation.html). What's interesting is that his 1905 paper contained no calculus, no fancy math gymnastics to get his result. He does have a formula that he did not derive, but it was well-known at the time. I derived that formula in my next blog, Relativistic Doppler Effect (//http://soi.blogspot.ca/2013/06/relativistic-doppler-effect.html). Though here, a little math is de rigueur. It's not for the faint- hearted. If you are also interested to know how Newton's is contained in Einstein's field equations, see: Is Newtonian Gravitational Fields Valid Within General Relativity? (//http://soi.blogspot.ca/2013/05/is-newtonian-gravitational-fields-valid.html)

I've already posted these, but some disappeared after the last shuffle.

Thanks

Joe

Title: Re: This From Another Ignorant Person Like Me.
Post by: Solitary on June 11, 2013, 10:43:32 PM

:evil:

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Science Section => Science General Discussion => Topic started by: Solitary on June 11, 2013, 11:50:10 AM