Mass in special relativity

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Topic: Mass in special relativity

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	Albert Einstein - Special Theory of Relativity (History of Space Exploration) (The Modern Understanding of the Universe - part 1)
		Special Theory of Relativity is based upon a reinterpretation of the classic principle of relativity (Galilean Relativity).
		The relativity equations show that the faster the ship travels the greater the resistance to acceleration becomes, or in other words the greater the increase in inertial mass (we will examine this concept of inertial mass in more detail later under general relativity, for now just accept that it is resistance to acceleration).
		This part of special relativity has crucial implications for space exploration, according to the Special Theory of Relativity it is impossible for any wave or particle to travel faster then the speed of light.
	www.thespacesite.com /space/history/modernscience.php (3375 words)

	Special Relativity prescribes a New Definition of Measurement-I
		Parallel treatments of two other predictions of special relativity, namely, time dilation and the increase of the mass of a particle with its speed, lead to the results that light is also involved in the operations of measuring time and mass, respectively, and that these operations are the same for all inertial observers.
		Like most consequences of special relativity, this one also reflects the theory’s revolutionary character as it clashes with the common belief among the physicists that there are many different ways of measuring length, most of them having no formal involvement of light.
		This, in turn, implies that special relativity prescribes a new definition of the term "measurement".
	wbabin.net /physics/minhas.htm (3375 words)

	SPECIAL THEORY OF RELATIVITY-CONSEQUENCES OF SPECIAL THEORY OF RELATIVITY-RESULTS OF THEORY OF RELATIVITY-TIME DILATION-MASS VARIATION-LENGTH CONTRATION-MASS ENERGY EQUATION
		Time is regarded as an absolute quantity in classical mechanics whereas in the special theory of relativity it is considered to be a relative entity based on the measurement of time in frame of references in relative motion.
		With the development of special theory of relativity it became apparent that there is no physical contraction of the moving objects.
		Without going to make actual mathematical calculation, We may summarize the important consequences of the theory of special relativity which are as under:
	www.citycollegiate.com /physicsXII_17d.htm (3375 words)

	Is 'c' a constant in General Relativity?
		One of the basic postulates of special relativity has been that the velocity of light (denoted by 'c') has the same value in all inertial frames.
		This is of course true in special relativity as the space-time considered is flat and light travels in a straight line.
		In General Relativity, space-time is curved due to the presence of mass and gravity is nothing but this geometry of space-time caused by the presence of mass.
	www.hitxp.com /phy/rel/gr/261102.htm (886 words)

	General Theory of Relativity
		He made important contributions to the quantum theory, but increasingly he sought to extend the special theory of relativity to phenomena involving acceleration.
		The key to an elaboration emerged in 1907 with the principle of equivalence, in which gravitational acceleration was held a priori indistinguishable from acceleration caused by mechanical forces; gravitational mass was therefore identical with inertial mass.
		Einstein called his new work the general theory of relativity.
	www.humboldt1.com /~gralsto/einstein/relativ.html (886 words)

	Parcellular Quantisation & Relativity
		But there is no such symmetry constraint in special relativity that applies between the interval p-q and another interval s-t, or between p-t and s-q, where the action depends on a total mass-energy - and therefore an acceleration - which is arbitrary.
		According to special relativity it makes no difference what "quantity" of mass we choose, the universe is absolutely democratic: Any and every particle promoted to this state of c uses "infinite" energy to get there.
		It is also the speed of light that delimits finitude in special relativity, and the speed of light that characterises the state of a particle at the horizon of infinitely curved smooth space in those solutions of the general relativity equations that include singularities.
	www.parcellular.fsnet.co.uk /parc.mech.8.htm.htm (9496 words)

	April 17: special relativity, spacetime
		The key point to special relativity is that the speed of light (c=186,000 miles per sec) is constant in all frames of reference.
		Spacetime makes sense from special relativity since it was shown that both spatial coordinates and the time coordinate undergo the exact same transformation (Lorentz contraction) between one frame of reference and the next.
		The theory of relativity is traditionally broken into two parts, special and general relativity.
	blueox.uoregon.edu /~karen/astro123/lectures/lec08.html (879 words)

	sr Modern Relativity modernrelativity special relativity black hole mass energy Einstein time Schwarzschild light speed
		Thus many of the implications of special relativity that are often quoted as if they were general laws do not hold true in more general physics scenarios.
		In special relativity we do not consider gravitation, and it is also not a quantum theory.
		Once special relativity is understood, one may move on to a more general case of physics known as general relativity For those that are ready for this step we have created a section on general relativity -Modern Relativity.
	www.geocities.com /zcphysicsms/sr.htm (125 words)

	SPECIAL RELATIVITY
		To recapitulate, in special relativity the momentum of a particle of mass m and velocity v is defined as
		The primary concern of special relativity is the determination of the relations between kinematic variables for two different observers.
		A full presentation may be found in Introduction to Special Relativity by Wolfgang Rindler (Oxford University Press, Oxford, 1991).
	www.physics.gatech.edu /people/faculty/gatland/relativity.html (4072 words)

	Special Relativity
		A penny has a mass of about 3 g.
		If no net force is acting on an
		relative speed between source and observer may be.
	sol.sci.uop.edu /~jfalward/relativity/relativity.html (240 words)

	Special Theory of Relativity
		The consequences of special relativity offer some challenges to conceptualize, but are engaging and intriguing.
		Einstein's theory of relativity also predicted an effect of speed on
		In fact, all motion, even no motion is under the constraints of special relativity.
	www.glenbrook.k12.il.us /gbssci/phys/Class/relativity/u7l1a.html (459 words)

	Theory of relativity - Wikipedia, the free encyclopedia
		Special relativity considers that observers in inertial reference frames, which are in uniform motion relative to one another, cannot perform any experiment to determine which one of them is in "absolute motion".
		Albert Einstein's theory of relativity is a set of two scientific theories in physics: special relativity and general relativity.
		Einstein's 1905 paper, "On the Electrodynamics of Moving Bodies", introduced the special theory of relativity.
	en.wikipedia.org /wiki/Theory_of_relativity (459 words)

	Maxwell's equations Modern Relativity modernrelativity special general black hole mass energy Einstein wormhole time Schwarzschild
		Since this result breaks with the result of special relativity, this superficially seems to defy the semi-strong level of the equivalence principle, but this level of equivalence is actually a reference to the results of local experiments.
		Even so, it is not too difficult to express this relativisticly as a tensor equation in the case of special relativity.
		These are correct for special relativity, but they are not globally correct for general relativity.
	www.geocities.com /zcphysicsms/chap7.htm (1155 words)

	Mass
		(The implications of special relativity are discussed below.) It is sometimes useful to treat the mass of an object as changing with time: for example, the mass of a rocket decreases as the rocket fires.
		This equivalence between inertial and gravitational mass is at the heart of the theory of general relativity.
		Thus, the theory postulates that the inertial and gravitational masses are rigorously equivalent (and, with a proper choice of units, numerically equal).
	www.brainyencyclopedia.com /encyclopedia/m/ma/mass.html (1155 words)

	The Theory of Special Relativity
		General Relativity, which took Einstein ten years to develop after he developed Special Relativity, is used to deal with the things that go on while an object is under acceleration.
		In this paper, I will be describing the Theory of Special Relativity with simple, logical examples that require only simple math.
		The Special Theory of Relativity is derived from these two assumptions.
	www.geocities.com /smozoma/creative_content/relativity.htm (1155 words)

	Special Relativity
		But it took Einstein's Special Theory of Relativity to show that, as its consequence, mass itself is a form of energy.
		A direct consequence of his theory that required agreement among all inertial observers, turns out, is that different inertial observers may obtain different results for lengths and time intervals.
		Einstein's theory of relativity is now separated into two parts: Special Theory, and General Theory of Relativity.
	idol.union.edu /~malekis/PhysNPol2004/PNP_SpecialRelativity.htm (1155 words)

	Time Travel [Internet Encyclopedia of Philosophy]
		This principle was published by Einstein in his second paper of 1905, entitled "Does the Inertia of a Body Depend Upon Its Energy Content?" Mass-energy equivalence was implied by certain consequences of Special Relativity (other theorists later discovered that it was suggested by Maxwell's electromagnetism theory).
		An example of Special Relativity time travel is of an astronaut who travels some distance in the universe at a velocity near the speed of light.
		In Special Relativity, all inertial frames are equivalent, and while this is a useful approximation, it does not yet suggest how inertial frames are to be explained.
	www.iep.utm.edu /t/timetravel.htm (1155 words)

	Science: Physics: Modern: Special Relativity - Open Site
		The second principle, on which the special theory of relativity rests, is the 'principle of constant velocity of light in vacuo.' This principle asserts that light in vacuo always has a definite velocity of propagation (independent of the state of motion of the observer or of the source of the light).
		Albert Einstein's Special Relativity (1905) and General Relativity (1915) relate to the Empirical (a posteriori) truth that the laws of nature, and thus the velocity of light, are always measured to be the same for all observers irrespective of their motion relative to one another.
		In ending this summary of Special Relativity, it is important to acknowledge the great power of this mathematical theory, as Albert Einstein explains (for it leads directly to Albert Einstein's famous E=mc^2).
	open-site.org /Science/Physics/Modern/Special_Relativity (1155 words)

	- Special Relativity
		Special relativity also shows that as an object travels faster, its mass increases.
		The theory of special relativity is the combination of two ideas and their seemingly weird consequences.
		Special relativity shows that measurements of distance and time depend on how fast you are travelling - a result that goes against our everyday experiences.
	www.einsteinyear.org /facts/special_relativity (994 words)

	PSIgate - FE Subject Pack - RELATIVITY
		Classical and special relativity, and spacetime are briefly described and illustrated as lecture eight of a course on galaxies and the expanding Universe by James Schombert of the University of Oregon, USA.
		It covers how mathematical models of space and time have evolved since ancient times, from the Pythagorean Rule to Newtonian mechanics, special relativity and general relativity.
		The historical background to the development of the theory of special relativity is described.
	www.psigate.ac.uk /education/fe/relativity.html (675 words)

	The Collapse of Special Relativity
		In Einsteins Special Relativity several other physical measurements including space, time, mass and energy become dependent on perspective and in particular the perceived velocity from the different observers.
		The theory of Relativity in its two variants General Relativity and Special Relativity has led to an increase in the belief that the universe is a chaotic maelstrom of confusion with no absolute principle, except for the constancy of the velocity of light in a vacuum, labeled 'c' in the scientific lexicon.
		The book shows the errors in this thinking using the equations of Albert Einstein (equations taken from the work of H.A. Lorentz and Voigt 1877) as well as the original documents, experiments and ideas of Special Relativity.
	relativitycollapse.net (891 words)

	Is the Special Theory of Relativity Wrong?
		However according to the Special Theory of Relativity because time slows down and length decreases with velocity, the measured velocity of the beam would still be c.
		Since the proof stated above clearly shows that the Special Theory of Relativity could never work, it must also be the case that a large part of the General Theory of Relativity is equally unsound since it is entirely based upon the Special Theory.
		You may also be interested to view a further webpage on this subject by the same author listed in the links below, "Proof that E could Never Equal mc²" which questions both the theoretical and mathematical basis of the famous equation of mass-energy equivalence, E = mc².
	www.webspawner.com /users/relativity (891 words)

	Special Theory of Relativity
		The consequences of special relativity offer some challenges to conceptualize, but are engaging and intriguing.
		Einstein's theory of relativity also predicted an effect of speed on
		In fact, all motion, even no motion is under the constraints of special relativity.
	www.glenbrook.k12.il.us /gbssci/phys/Class/relativity/u7l1a.html (891 words)

	\Elementary, my dear Einstein": Special Relativity made logical
		Einstein's special theory of relativity is often presented as a collection of mysterious ideas, having almost magical consequences: time dilation, length contraction, paradoxes, relations between mass and energy, etc. In this talk I will show that, on the contrary, these phenomena, though counterintuitive, follow straightforwardly and logically from the postulates of special relativity.
		It is also appropriate to physics undergraduates, particularly those who have not studied special relativity in detail.
		Description: this talk motivates the postulates of special relativity and derives many of their consequences.
	www.cap.ca /edu/London.htm (133 words)

	What's Wrong with QM? - Page 3
		There are only two postulates of Special Relativity and those two are essentially one: The speed of light is the same in all intertial frames.
		I took a Relativity course from a guy (Mendel Sachs) who claimed that after rewriting Einsteins equations in terms of quaterians and taking the linear limit he reproduced Quantum Mechanics and for a time had the best calculation of the Lamb shift.
		Special Relativity is the best example of this.
	www.physicsforums.com /showthread.php?t=68265&page=3 (2182 words)

	Centennial of the Einstein Papers: 1905-2005
		The Michelson-Morley experiment, the postulates of special relativity, Lorentz transformations, the twin paradox, energy is equivalent to mass, special relativity as a tool, history of special relativity (a timeline).
		Visuals Pertaining to Special Relativity (from the University of Colorado, Boulder).
		Relativity: The Special and General Theory (from Bartleby.com).
	mclibrary.nhmccd.edu /einstein.htm (3555 words)

	Einstein American Museum of Natural History
		The draft focuses on the Special Theory of Relativity, which applies to the "special" circumstance in which observers making measurements do not change speed, or accelerate.
		in the 1912 Manuscript on the Special Theory of Relativity
		Einstein first published his Special Theory of Relativity—which describes his revolutionary ideas about light, time and energy—in 1905.
	www.amnh.org /exhibitions/einstein/energy/special.php (560 words)

	A Science Odyssey: People and Discoveries: Einstein publishes the special theory of relativity
		Einstein received the Nobel Prize for one of the other ideas, but the special theory of relativity has since become the most well-known, perhaps of his career or even the entire field of physics!
		He didn't let them go, however, and in answering them he developed the general theory of relativity ten years later.
		That means that Newton's ideas and "laws" still work well for local measurements at ordinary speeds.This changes drastically the closer one goes to the speed of light: For an object moving at 6/7 the speed of light, its mass would be doubled.
	www.pbs.org /wgbh/aso/databank/entries/dp05ei.html (560 words)

	LUXON THEORY - THE CAUSE OF ALBERT EINSTEIN `S SPECIAL THEORY OF RELATIVITY
		The luxon theory is able to summarize the law of conservation of energy, the special theory of relativity, E=mc
		The theory only made sense, that is, gave finite predictions for measurable effects, if it was written so that each and every fundamental particle had zero mass.
		All transformation equations of the special theory of relativity are related to this velocity
	www.tardyon.de (560 words)

	Special Theory of Relativity
		The consequences of special relativity offer some challenges to conceptualize, but are engaging and intriguing.
		In Einstein's Special Theory of Relativity, he laid down two postulates:
		In fact, all motion, even no motion is under the constraints of special relativity.
	www.glenbrook.k12.il.us /gbssci/phys/Class/relativity/u7l1a.html (560 words)

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