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Strategies & Market Trends : MDA - Market Direction Analysis
SPY 683.04-0.1%Dec 9 4:00 PM EST

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To: Zeev Hed who wrote (73784)4/1/2001 6:44:43 PM
From: ahhaha  Read Replies (2) of 99985
 
F=ma=m(dv/dt)=d(mv)/dt=dp/dt has nothing to do with Special Relativity. dv/dt can't be fully defined in an inertial frame of reference which forms the basis of Special Relativity. dv/dt = d(ds/dt)/dt and that "ds" develops problems in non-inertial frames when the "d" is applied.

The relationship between F and dv/dt is the subject of General Relativity. Einstein's general theory says, acceleration + cosmological constant = force, or the Einstein gravitational tensor linear in Riemann plus the redoubtable cosmological constant is equal to the stress energy momentum tensor of matter. You doubt gravitation is indistinguishable from acceleration? Consult the Equivalence Principle.
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