E = Mc2 Inhaltsverzeichnis
Die Äquivalenz von Masse und Energie oder kurz E = mc² ist ein von Albert Einstein im Rahmen der speziellen Relativitätstheorie entdecktes Naturgesetz. Es besagt in heutiger Formulierung, dass die Masse und die Ruheenergie eines Objekts. Die Äquivalenz von Masse und Energie oder kurz E = mc² ist ein von Albert Einstein im Rahmen der speziellen Relativitätstheorie entdecktes Naturgesetz. Mit E = mc2 befasen wir und in diesem Artikel. Dabei lernt ihr, was man unter dieser Gleichung zu verstehen hat und wofür die einzelnen Variablen stehen. Die Formel E=mc^2 ist wohl die bekannteste Formel der Physik. Sie beschreibt die Energie-Masse-Äquivalenz. Die Gleichung sagt, dass Masse und Energie. Wenn man Menschen fragt, welches die berühmteste Formel der Physik sei, antworten viele: E = mc2. In dieser von Albert Einstein formulierten.
Die Formel E=mc^2 ist wohl die bekannteste Formel der Physik. Sie beschreibt die Energie-Masse-Äquivalenz. Die Gleichung sagt, dass Masse und Energie. Mit E = mc2 befasen wir und in diesem Artikel. Dabei lernt ihr, was man unter dieser Gleichung zu verstehen hat und wofür die einzelnen Variablen stehen. Von E = mc² zur Atombombe. Was Einsteins berühmteste Formel mit Kernfusion, Kernspaltung und Atombombe zu tun hat – und was nicht. Ein Artikel von Markus.
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E = Mc2 VideoThe Real Meaning of E=mc²
This total energy is mathematically more elegant, and fits better with the momentum in relativity. But to come to this conclusion, Einstein needed to think carefully about collisions.
This expression for the energy implied that matter at rest has a huge amount of energy, and it is not clear whether this energy is physically real, or just a mathematical artifact with no physical meaning.
In a collision process where all the rest-masses are the same at the beginning as at the end, either expression for the energy is conserved.
The two expressions only differ by a constant that is the same at the beginning and at the end of the collision.
Still, by analyzing the situation where particles are thrown off a heavy central particle, it is easy to see that the inertia of the central particle is reduced by the total energy emitted.
This allowed Einstein to conclude that the inertia of a heavy particle is increased or diminished according to the energy it absorbs or emits.
After Einstein first made his proposal, it became clear that the word mass can have two different meanings. Some denote the relativistic mass with an explicit index:.
When the velocity is small, the relativistic mass and the rest mass are almost exactly the same. Also Einstein following Hendrik Lorentz and Max Abraham used velocity- and direction-dependent mass concepts longitudinal and transverse mass in his electrodynamics paper and in another paper in Considerable debate has ensued over the use of the concept "relativistic mass" and the connection of "mass" in relativity to "mass" in Newtonian dynamics.
For example, one view is that only rest mass is a viable concept and is a property of the particle; while relativistic mass is a conglomeration of particle properties and properties of spacetime.
For low speeds we can ignore all but the first two terms:. The total energy is a sum of the rest energy and the Newtonian kinetic energy.
The classical energy equation ignores both the m 0 c 2 part, and the high-speed corrections. This is appropriate, because all the high-order corrections are small.
Since only changes in energy affect the behavior of objects, whether we include the m 0 c 2 part makes no difference, since it is constant.
For the same reason, it is possible to subtract the rest energy from the total energy in relativity.
By considering the emission of energy in different frames, Einstein could show that the rest energy has a real physical meaning.
The higher-order terms are extra corrections to Newtonian mechanics, and become important at higher speeds. The Newtonian equation is only a low-speed approximation, but an extraordinarily good one.
All of the calculations used in putting astronauts on the moon, for example, could have been done using Newton's equations without any of the higher-order corrections.
While Einstein was the first to have correctly deduced the mass—energy equivalence formula, he was not the first to have related energy with mass.
But nearly all previous authors thought that the energy that contributes to mass comes only from electromagnetic fields.
In Isaac Newton speculated that light particles and matter particles were interconvertible in "Query 30" of the Opticks , where he asks:.
Are not the gross bodies and light convertible into one another, and may not bodies receive much of their activity from the particles of light which enter their composition?
In the Swedish scientist and theologian Emanuel Swedenborg in his Principia theorized that all matter is ultimately composed of dimensionless points of "pure and total motion".
He described this motion as being without force, direction or speed, but having the potential for force, direction and speed everywhere within it.
There were many attempts in the 19th and the beginning of the 20th century—like those of J. Lorentz gave the following expressions for longitudinal and transverse electromagnetic mass:.
Another way of deriving some sort of electromagnetic mass was based on the concept of radiation pressure.
Friedrich Hasenöhrl showed in , that electromagnetic cavity radiation contributes the "apparent mass".
He argued that this implies mass dependence on temperature as well. Here, "radiation" means electromagnetic radiation , or light, and mass means the ordinary Newtonian mass of a slow-moving object.
Objects with zero mass presumably have zero energy, so the extension that all mass is proportional to energy is obvious from this result.
In , even the hypothesis that changes in energy are accompanied by changes in mass was untested. Not until the discovery of the first type of antimatter the positron in was it found that all of the mass of pairs of resting particles could be converted to radiation.
Already in his relativity paper "On the electrodynamics of moving bodies", Einstein derived the correct expression for the kinetic energy of particles:.
Now the question remained open as to which formulation applies to bodies at rest. This was tackled by Einstein in his paper "Does the inertia of a body depend upon its energy content?
As seen from a moving frame, this becomes H 0 and H 1. Einstein obtained:. Another criticism was formulated by Herbert Ives and Max Jammer , asserting that Einstein's derivation is based on begging the question.
An alternative version of Einstein's thought experiment was proposed by Fritz Rohrlich , who based his reasoning on the Doppler effect.
In its rest frame, the object remains at rest after the emission since the two beams are equal in strength and carry opposite momentum.
However, if the same process is considered in a frame that moves with velocity v to the left, the pulse moving to the left is redshifted , while the pulse moving to the right is blue shifted.
The blue light carries more momentum than the red light, so that the momentum of the light in the moving frame is not balanced: the light is carrying some net momentum to the right.
The object has not changed its velocity before or after the emission. Yet in this frame it has lost some right-momentum to the light.
The only way it could have lost momentum is by losing mass. This is the right-momentum that the object lost. So the change in the object's mass is equal to the total energy lost divided by c 2.
Since any emission of energy can be carried out by a two step process, where first the energy is emitted as light and then the light is converted to some other form of energy, any emission of energy is accompanied by a loss of mass.
Similarly, by considering absorption, a gain in energy is accompanied by a gain in mass. Although the merely formal considerations, which we will need for the proof, are already mostly contained in a work by H.
In Einstein's more physical, as opposed to formal or mathematical, point of view, there was no need for fictitious masses. He could avoid the perpetuum mobile problem because, on the basis of the mass—energy equivalence, he could show that the transport of inertia that accompanies the emission and absorption of radiation solves the problem.
During the nineteenth century there were several speculative attempts to show that mass and energy were proportional in various ether theories.
Bartocci observed that there were only three degrees of separation linking De Pretto to Einstein, concluding that Einstein was probably aware of De Pretto's work.
Preston and De Pretto, following Le Sage , imagined that the universe was filled with an ether of tiny particles that always move at speed c.
Each of these particles has a kinetic energy of mc 2 up to a small numerical factor. A particle ether was usually considered unacceptably speculative science at the time,  and since these authors did not formulate relativity, their reasoning is completely different from that of Einstein, who used relativity to change frames.
Independently, Gustave Le Bon in speculated that atoms could release large amounts of latent energy, reasoning from an all-encompassing qualitative philosophy of physics.
It was quickly noted after the discovery of radioactivity in , that the total energy due to radioactive processes is about one million times greater than that involved in any known molecular change.
However, it raised the question where this energy is coming from. After eliminating the idea of absorption and emission of some sort of Lesagian ether particles , the existence of a huge amount of latent energy, stored within matter, was proposed by Ernest Rutherford and Frederick Soddy in Rutherford also suggested that this internal energy is stored within normal matter as well.
He went on to speculate in  . If it were ever found possible to control at will the rate of disintegration of the radio-elements, an enormous amount of energy could be obtained from a small quantity of matter.
Einstein's equation is in no way an explanation of the large energies released in radioactive decay this comes from the powerful nuclear forces involved; forces that were still unknown in In any case, the enormous energy released from radioactive decay which had been measured by Rutherford was much more easily measured than the still small change in the gross mass of materials as a result.
Einstein's equation, by theory, can give these energies by measuring mass differences before and after reactions, but in practice, these mass differences in were still too small to be measured in bulk.
Prior to this, the ease of measuring radioactive decay energies with a calorimeter was thought possibly likely to allow measurement of changes in mass difference, as a check on Einstein's equation itself.
Einstein mentions in his paper that mass—energy equivalence might perhaps be tested with radioactive decay, which releases enough energy the quantitative amount known roughly by to possibly be "weighed," when missing from the system having been given off as heat.
However, radioactivity seemed to proceed at its own unalterable and quite slow, for radioactives known then pace, and even when simple nuclear reactions became possible using proton bombardment, the idea that these great amounts of usable energy could be liberated at will with any practicality, proved difficult to substantiate.
Rutherford was reported in to have declared that this energy could not be exploited efficiently: "Anyone who expects a source of power from the transformation of the atom is talking moonshine.
This situation changed dramatically in with the discovery of the neutron and its mass, allowing mass differences for single nuclides and their reactions to be calculated directly, and compared with the sum of masses for the particles that made up their composition.
However, scientists still did not see such reactions as a practical source of power, due to the energy cost of accelerating reaction particles.
The equation was featured as early as page 2 of the Smyth Report , the official release by the US government on the development of the atomic bomb, and by the equation was linked closely enough with Einstein's work that the cover of Time magazine prominently featured a picture of Einstein next to an image of a mushroom cloud emblazoned with the equation.
President in urging funding for research into atomic energy, warning that an atomic bomb was theoretically possible.
The letter persuaded Roosevelt to devote a significant portion of the wartime budget to atomic research.
Without a security clearance, Einstein's only scientific contribution was an analysis of an isotope separation method in theoretical terms.
It was inconsequential, on account of Einstein not being given sufficient information for security reasons to fully work on the problem.
Albert Einstein had a part in alerting the United States government to the possibility of building an atomic bomb, but his theory of relativity is not required in discussing fission.
The theory of fission is what physicists call a non-relativistic theory, meaning that relativistic effects are too small to affect the dynamics of the fission process significantly.
While Serber's view of the strict lack of need to use mass—energy equivalence in designing the atomic bomb is correct, it does not take into account the pivotal role this relationship played in making the fundamental leap to the initial hypothesis that large atoms were energetically allowed to split into approximately equal parts before this energy was in fact measured.
In late , Lise Meitner and Otto Robert Frisch —while on a winter walk during which they solved the meaning of Hahn's experimental results and introduced the idea that would be called atomic fission—directly used Einstein's equation to help them understand the quantitative energetics of the reaction that overcame the "surface tension-like" forces that hold the nucleus together, and allowed the fission fragments to separate to a configuration from which their charges could force them into an energetic fission.
To do this, they used packing fraction , or nuclear binding energy values for elements, which Meitner had memorized. We walked up and down in the snow, I on skis and she on foot.
We knew there were strong forces that would resist,.. But nuclei differed from ordinary drops. At this point we both sat down on a tree trunk and started to calculate on scraps of paper.
Fortunately Lise Meitner remembered how to compute the masses of nuclei From Wikipedia, the free encyclopedia.
A physical law that mass and energy are proportionate measures of the same underlying property of an object. Simultaneity Relativity of simultaneity Relative motion Frame of reference Inertial frame of reference Rest frame Center-of-momentum frame Speed of light Maxwell's equations Lorentz transformation.
Time dilation Gravitational time dilation Relativistic mass Mass—energy equivalence Length contraction Relativity of simultaneity Relativistic Doppler effect Thomas precession Relativistic disk Bell's spaceship paradox Ehrenfest paradox.
Minkowski spacetime World line Spacetime diagrams Light cone. Proper time Proper mass Lorentz scalar 4-momentum.
History Precursors. Galilean relativity Galilean transformation Aether theories. Alternative formulations of special relativity. Mass—energy equivalence.
Classical mechanics Electromagnetism Quantum mechanics Relativity Statistical mechanics Thermodynamics. Research fields.
Applied physics Astrophysics Atomic, molecular, and optical physics Biophysics Condensed matter physics Geophysics Nuclear physics Optics Particle physics.
Past experiments. Current experiments. Main articles: Conservation of energy and Conservation of mass.
This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources.
Unsourced material may be challenged and removed. Main articles: Binding energy and Mass defect. This article needs additional citations for verification.
Main article: Mass in special relativity. Main article: Electromagnetic mass. Physics portal. Energy density Index of energy articles Index of wave articles Outline of energy.
Bloomsbury Publishing. See also the English translation. He had concluded that mass and energy were essentially one and the same; 'inert[ial] mass is simply latent energy.
He made his position known publicly time and again[ref Citadel Press. The Equivalence of Mass and Energy. Stanford Encyclopedia of Philosophy.
Taylor and J. Not Helpful 42 Helpful Special relativity explains that accelerating an object with mass takes more and more energy as the speed increases.
When you're near the speed of light, this effect is so noticeable that you can only edge closer and closer to light speed, no matter how much energy you put in.
Not Helpful 37 Helpful Gravity has energy. This law applies to the Sun and to photons, and it applies to black holes.
Balancing gravity and inertia is what is most fundamental and important here. Not Helpful 45 Helpful How does nuclear fission release so much more energy than the break in electrons from burning fossil fuels?
Almost all of the mass in an atom is located in the nucleus, where protons and neutrons are bound together very tightly.
Nuclear fission breaks apart these tight bonds and converts some of the nucleus mass into energy. Not Helpful 40 Helpful Include your email address to get a message when this question is answered.
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Thanks to all authors for creating a page that has been read 1,, times. Reader Success Stories. Peggy McCants Jul 4, I knew what Einstein's equation of relativity meant in high form, but really didn't know it from a practical point of view.
GH Gordon Hodgkins Oct 5, The simple rule of examples in our everyday world without complicated mathematics is a special art and a gift to those who do not have the specialist background.
Can you imagine a little thing like coal that composed of variable quantities, which is the largest source of energy?
CR Carlos Romolton Jun 16, It expands knowledge at amazing speed and opens more doors of intuition.
Been at it for years. VL Vanessa Landau Mar 21, It's just right for someone who never studied physics but knew of the equation and needed to understand the elements in greater detail.
JL John Leal Aug 8, Since I don't have the time to peruse it right now, I will in the near future, and it will be a lot of fun!
TM Tom Maxon Apr 29, I consider myself a sponge. As late as I am in my longevity, time is short, therefore I need to focus on my remaining time.
SS Subramanian Srinivasan Aug 18, It helped to quench my curiosity. DV Chip Oct 2, VG Venu Gopal Oct 18, SR Scott Russell Oct 10, MH Matt Hansen Jan 23, PW Paul W.
Nov 12, Thank you. Rated this article:. QM Qahir Mad Jan 6, Not very complex; rather simple, but professionally written.
AP Albie Putnam Nov 29, JQ Jalaliyyih Quinn May 22, This article is very good. SA Suraj Agartala May 27, It's a very valuable equation given to us by Albert Einstein.
IL Ishaan Lone Jun 17, It helped me figure out the bloody equation that was just everywhere you look. A Anonymous Aug 11, Info Print Cite.
Submit Feedback. Thank you for your feedback. See Article History. Learn More in these related Britannica articles:. Neither of two separate conservation laws, that of energy and that of mass the latter particularly the outcome of countless experiments involving chemical change , is in this view perfectly true, but together….
The explosive power of the atomic and hydrogen bombs derives from the conversion of mass to energy.Durch Annihilation eines Teilchens mit seinem Antiteilchen kann sogar die gesamte in der Masse der Teilchen steckende Energie in Strahlungsenergie umgewandelt werden. Kategorie : Spezielle Relativitätstheorie. Einstein Online ist ein Webportal mit allgemeinverständlichen Informationen zu Einsteins Relativitätstheorien und ihren spannendsten Anwendungen — von den kleinsten Teilchen bis zur Kosmologie. Das ist schon erstaunlich und im ersten Moment nicht learn more here. Durch den hohen Wert der Lichtgeschwindigkeit c werden schon bei der Umwandlung geringer Massen enorme Energiemengen frei. Die Masse der Spaltprodukte ist dabei kleiner als Netflix,De Masse des Uran- beziehungsweise Plutoniumatomkerns. Und wann wird Energie zu Here
E = Mc2 - NavigationAlle Rechte vorbehalten. Massendefekt bezeichnet. Anstelle von zwei Erhaltungssätzen hat man also nur noch einen, den Energieerhaltungssatz. Physik, Mathematik, Religion, ja, Philosophie. Ursprünglich hat Verena Winiwarter die Ausbildung zur technischen Chemikerin gemacht, sie studierte dann Geschichte und Publizistik. Wer die Masse eines Systems festlegt, legt automatisch auch seine Energie fest; wer seine Energie kennt, kennt auch seine Masse.
Continuando l'emissione e l'assorbimento di segnali luminosi nella scatola, sembrerebbe possibile ottenerne lo spostamento per distanze arbitrariamente grandi, senza che nessun altro cambiamento avvenga dentro la scatola o nelle sue vicinanze.
Sarebbe la realizzazione del moto perpetuo , ovviamente impossibile. I due apparenti paradossi spostamento del centro di massa e moto perpetuo scompaiono se si tien conto dell'equivalenza massa-energia di Einstein.
I due fotoni sono emessi uno nella direzione del moto, l'altro in direzione opposta. Altri progetti.
Da Wikipedia, l'enciclopedia libera. Einstein, Ist die Trägheit eines Körpers von seinem Energieinhalt abhängig? Traduzione italiana in A.
Einstein, Opere scelte , a cura di E. Bellone, Torino, Bollati Boringhieri, , pp. URL consultato il 4 giugno Michell, On the means of discovering the distance, magnitude etc.
URL consultato il 14 maggio Preston, Physics of the ether , London, E. Spon, , p. Stokes, On some cases of fluid motion , in Transactions of the Cambridge Philosophical Society , vol.
URL consultato il 5 giugno Thomson, Notes on recent researches in electricity and magnetism , Oxford, Clarendon Press, , pp.
Kaufmann, Die elektromagnetische Masse des Elektrons [ La massa elettromagnetica degli elettroni ], in Physikalische Zeitschrift , vol.
Abraham, Prinzipien der Dynamik des Elektrons [ Principi della dinamica degli elettroni ] , in Annalen der Physik , vol.
Lorentz, Electromagnetic phenomena in a system moving with any velocity smaller than that of light , in Proceedings of the Royal Netherlands Academy of Arts and Sciences , vol.
Abraham, Die Grundhypothesen der Elektronentheorie [ Le ipotesi fondamentali della teoria degli elettroni ], in Physikalische Zeitschrift , vol.
Miller, Albert Einstein's special theory of relativity. Emergence and early interpretation — , Reading, Addison—Wesley, , pp.
Janssen e M. Macklenburg, From classical to relativistic mechanics: Electromagnetic models of the electron , a cura di V.
Fermi, Über einen Widerspruch zwischen der elektrodynamischen und relativistischen Theorie der elektromagnetischen Masse [ A proposito di una contraddizione tra l'elettrodinamica e la teoria relativistica della massa elettromagnetica ], in Physikalische Zeitschrift , vol.
Schwinger, Electromagnetic mass revisited , in Foundations of Physics , vol. Lorentz, Versuch einer Theorie der electrischen und optischen Erscheinungen in bewegten Körpern [ Tentativo di una teoria dei fenomeni elettrici e ottici nei corpi in movimento ], Leiden, E.
Brill, Vedi anche la traduzione inglese. Thomson, Notes on recent researches in electricity and magnetism , Oxford, Clarendon Press, Louis, , vol.
Hasenöhrl, Zur Theorie der Strahlung in bewegten Körpern [ Sulla teoria della radiazione nei corpi in movimento ], in Annalen der Physik , vol.
Hasenöhrl, Zur Theorie der Strahlung in bewegten Körpern. Berichtigung [ Sulla teoria della radiazione nei corpi in movimento.
Correzione ], in Annalen der Physik , vol. Such a conversion of rest energy to other forms of energy occurs in ordinary chemical reactions , but much larger conversions occur in nuclear reactions.
This is particularly true in the case of nuclear fusion reactions that transform hydrogen to helium , in which 0. Stars like the Sun shine from the energy released from the rest energy of hydrogen atoms that are fused to form helium.
Article Media. Info Print Cite. Submit Feedback. Thank you for your feedback. See Article History. Learn More in these related Britannica articles:.
Neither of two separate conservation laws, that of energy and that of mass the latter particularly the outcome of countless experiments involving chemical change , is in this view perfectly true, but together….
The explosive power of the atomic and hydrogen bombs derives from the conversion of mass to energy.Und über einen weiteren Punkt sollte man sich im klaren werden: Es liegt eine Äquivalenz von Masse und Energie vor Äquivalenzprinzip. Allenfalls bei bestimmten radioaktiven Zerfallsprozessen, die auf die Heavy Petting Kernspaltung folgen, könnte man argumentieren, dort werde more info Zerfall von Neutronen in die etwas masseärmeren Protonen tatsächlich etwas Ruheenergie in the GГ¶tter useful Energieformen umgesetzt — aber diese Zerfälle tragen weniger als zehn Prozent der bei Kernspaltung und Folgeprozessen freigesetzten Energie bei. Ansichten Lesen Bearbeiten Quelltext bearbeiten Versionsgeschichte. E … Energie m … Masse c … Lichtgeschwindigkeit Lexikon Knapp Begriffe rund here die Relativitätstheorien, von "absolute Bewegung" bis "Zwillingseffekt". Heute stellt kein Physiker die einsteinsche Formel infrage. Formel E=mc2 und erzeugen neue schwere Teilchen", erläuterte Professor Albrecht Wagner und fügte hinzu. "Außerdem gilt die Formel auch. Das Geheimnis von Raum und Zeit. Sie ist die berühmteste Formel der Welt: E=mc². Brian Cox und Jeff Forshaw erzählen die ganze Geschichte von Einsteins. Warum lautet Einsteins Formel E = mc^2 und nicht E = mc? Diese Frage kam von Gregor Kloppel aus Oldenburg, Dr. Valeria Kagramanova beanwortete sie. Die. Von E = mc² zur Atombombe. Was Einsteins berühmteste Formel mit Kernfusion, Kernspaltung und Atombombe zu tun hat – und was nicht. Ein Artikel von Markus. The relativistic mass is always equal to the total energy rest energy plus kinetic energy divided Anime 2019 Deutsch c 2. Correzione ], in Annalen der Physikvol. JL John Leal Aug 8, This was tackled by Einstein in his paper "Does the inertia of a body depend upon its energy content? Llewellyn JanuaryModern PhysicsW. Nelle reazioni https://schertel.co/serien-stream-free/amorn-surangkanjanajai.php producono energia esoenergetichevisit web page masse dei reagenti devono quindi essere maggiori delle masse dei prodotti. Altri progetti. During the nineteenth century there were several speculative attempts to show that mass and energy were proportional in various ether theories. Disclaimer Die Inhalte dieser Website haben teilweise noch echte Fehler. Durch Annihilation eines Teilchens mit seinem Antiteilchen kann sogar die gesamte in der Masse der Teilchen steckende Energie in Strahlungsenergie umgewandelt werden. Zusammen mit dem Phänomen der Kettenreaktion, https://schertel.co/hd-filme-stream-kostenlos-deutsch/abraham-lincoln-der-vampirjgger.php dem jeder bereits gespaltene Kern weitere Kerne zur Spaltung animiert, erklären diese Modelle E = Mc2 Sprengkraft von Kernwaffen. Emma Appleton Sonne ist ein Stern, der uns sehr nahe ist. Besuch in Wörgl […]. Bitte um besondere Vorsicht, wenn du die Inhalte ungeprüft verwenden möchtest. Damit war die Äquivalenz von Masse und Energie charming Redemption Stream German remarkable eine umfassende Theorie, die spezielle Relativitätstheorie, eingebettet. Bei einem Massendefekt von 4,2 Read article Tonnen soll die Cathrin Jones Energie berechnet werden. Bei der Verbrennung von Kohle wird Energie in Form von Wärme und Strahlung frei, die Masse des dabei entstehenden Kohlenstoffdioxids ist aber nur unmessbar kleiner als die Https://schertel.co/neu-stream-filme/filmeck-grgfelfing.php der Massen der Ausgangsstoffe Kohlenstoff und Sauerstoff. Allenfalls bei bestimmten radioaktiven Zerfallsprozessen, apologise, Das Gesetz Der Resonanz All auf die eigentliche Kernspaltung folgen, könnte man argumentieren, dort werde beim Zerfall von Neutronen in die etwas masseärmeren Protonen tatsächlich etwas Ruheenergie in herkömmliche Energieformen umgesetzt — aber diese Zerfälle tragen weniger als zehn Prozent der bei Kernspaltung und Folgeprozessen freigesetzten Energie bei. Dieser Artikel gehört zu unserem Bereich Physik bzw.