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Special relativity (alternative formulations)
About: Special relativity (alternative formulations) is a research topic. Over the lifetime, 3102 publications have been published within this topic receiving 55015 citations.
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01 Jan 2013
TL;DR: In the philosophy of geometry, the choice of the metric of space is completely free as mentioned in this paper, which is a strong emphasis on free choice in nearly all chapters of Reichenbach's philosophy.
Abstract: Reichenbach lays often a strong emphasis on free choice in nearly all chapters of his philosophy. In the philosophy of geometry he claims that the choice of the metric of space is completely free. His theory of induction is based on wagers. In his epistemology he talks about “volitional decisions” between different language systems.
9 citations
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TL;DR: The field equations of general relativity are derived from the existence of a limit force or a limit power in nature as discussed by the authors, and the limits have the value of c^4/4g and c^5/4G.
Abstract: The field equations of general relativity are shown to derive from the existence of a limit force or of a limit power in nature. The limits have the value of c^4/4G and c^5/4G. The proof makes use of a result by Jacobson. All known experimental data is consistent with the limits. Applied to the universe, the limits predict its darkness at night and the observed scale factor. Some experimental tests of the limits are proposed. The main counter-arguments and paradoxes are discussed, such as the transformation under boosts, the force felt at a black hole horizon, the mountain problem, and the contrast to scalar--tensor theories of gravitation. The resolution of the paradoxes also clarifies why the maximum force and the maximum power have remained hidden for so long. The derivation of the field equations shows that the maximum force or power plays the same role for general relativity as the maximum speed plays for special relativity.
9 citations
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TL;DR: In this article, it was shown that the kinetic energy from Issac Newton and Special Relativity does not obey conservation of momentum in the case of a single-arm projectile motion.
Abstract: In the history of physics, kinetic energy has been represented by two expressions. One from Issac Newton, the other from Special Relativity. Both expressions are expected to describe a physical system that demands conservation of momentum. By examining the expression of momentum in a projectile motion, the kinetic energy from Issac Newton is found to obey conservation of momentum while the kinetic energy from Special Relativity is found to violate conservation of momentum.
9 citations