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Article #51Re: What's Wrong With These Fromulas?
From: Hermann Kremer
Date: Mon, 20 Jan 2003 22:00
Date: Mon, 20 Jan 2003 22:00
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1978 bytes
Rex schrieb in Nachricht ...
[ ... ]
> Why is motion in spacetime impossible? It has to do with the definitions of
> space and time and the equation of velocity v = dx/dt. What the equation is
> saying is that, if an object moves over any distance x, there is an elapsed
> time t.
That's bloody rubbish. The equation says: if an object moves over a distance
dx = x_2 - x_1 in a time interval dt = t_2 - t_1, then we call the ratio dx/dt
the velocity v.
> Since time is defined in physics as a parameter for denoting change
> (evolution), the equation for velocity along the time axis must be given as
> v = dt/dt which is self-referential.
More rubbish ...
Hermann
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f6df2,8354f3858aaa3e86 X-Google-Attributes: gidf6df2,public X-Google-Thread: 1032cb,8354f3858aaa3e86 X-Google-Attributes: gid1032cb,public X-Google-Thread: 109d8a,8354f3858aaa3e86 X-Google-Attributes: gid109d8a,public X-Google-Thread: f4956,8354f3858aaa3e86 X-Google-Attributes: gidf4956,public X-Google-ArrivalTime: 2003-01-20 13:57:27 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!logbridge.uoregon.edu!newsfeed.vmunix.org!newsfeed01.sul.t-online.de!t-online.de!schlund.de!news.online.de!not-for-mail From: "Hermann Kremer" <hermann.kremer@online.de> Newsgroups: bln.sci.mathematik,de.sci.mathematik,fj.sci.math,sci.math Subject: Re: What's Wrong With These Fromulas? Date: Mon, 20 Jan 2003 23:00:08 +0100 Organization: 1&1 Internet AG Lines: 22 Message-ID: <b0hrc6$k5e$1@news.online.de> References: <E8OW9.19290$o8.413184@twister.tampabay.rr.com> NNTP-Posting-Host: p50816910.dip0.t-ipconnect.de X-Trace: news.online.de 1043099846 20654 80.129.105.16 (20 Jan 2003 21:57:26 GMT) X-Complaints-To: abuse@online.de NNTP-Posting-Date: 20 Jan 2003 21:57:26 GMT X-Newsreader: Microsoft Outlook Express 4.72.3110.5 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3