can you explain e=mc2???
140934
Energy = mass times the speed of light squared\n\nIt conveys that a very small amount of matter actually represents/can be turned into a very large amount of energy, as in nuclear power, or a nuclear explosion.
853466
Equivalence.\n\nPhysics had long treated many things of being of entirely different natures.  Matter was concrete.  Absolute.  It followed laws of motion and the like.  Energy, on the other hand, was ethereal, zinging around and through the matter.  It is not ridiculous that physicists had thought this way - this is much of our experience of the physical world.\n\nE=mc^2, however, suggests that this is just not so.\n\nLiterally, it states that matter -IS- energy.  And conversely that energy is matter.  There is no 'special' status for one or the other.  Baseballs have a wavelength like any chunk of energy, and energy must occur in packets like any chunk of mass.  While quite simple in its statement, it is pretty staggering in its implication.\n\nFor example, it is used to explain how stars run (fusion turns minute amounts of mass into energy), explain the expansion of the universe (free energy turns into particle pairs which exert an outward pressure on space itself), and why photons which have no rest mass, can nonetheless push things around with impact (their speed and energy GIVE them mass).\n\nIf you want to use the equation itself, make sure your units match up.  If you use kilograms for mass and measure the speed of light in metres per second, energy will be in joules.  Hope that helps!
679306
ITS [E=MC^2] - THE CONSERVATION OF MATTER AS ENERGY.. IT MEANS IF WE PUSH AN OBJECTS WITH A SPEED OF SQUARE OF SPEED OF LIGHT THEN THE ENERGY PRODUCED IN THE COVERAGE OF THE DISTANCE WITHOUT RETARDING OF 1 GM OF ANY MATTER OF DENSITY ABOVE 5GM/CM^3 WILL BE EQUAL TO THE ENERGY PRODUCED BY 10000KG OF U235 USED IN NUCLEAR REACTOR...
475409
You need to define your question a bit better so I can help you. What does m(e) stand for? and i assume e denotes the exponential function?
339047
It is just a reference to E=mc^2.  It can be through fission or fusion, so yes you are surely correct.
475765
oh, wow, this is a physics question.\n\nto start, we remember E = mc^2\nthe problem gives 4 grams matter and 2 grams antimatter.\nmy solution would be that 2 grams of matter and 2 grams of antimatter annihilate to produce 4c^2 (2 + 2 = 4) energy.\nthe excess 2 grams of matter remains unaffected.\nthe answer is D.
953904
No common denominator for the energy in the things you mention except that if it has mass, then it embodies the energy given in E = mc^2\n\nThis applies to ALL matter.
750911
E=mc^2 is a formula not a problem.\n\nE stands for energy\nM stands for mass\nC stands for speed of light\n\nwith it you can figure out how much energy is in a given amount of matter.
192787
In its original form, the formula is\n\nE^2 = m^2 * c^4 + p^2 * c^2\n\nwhere E is the energy of the particle, m is its rest mass, p is its momentum and c is the speed of light.  If we're only concerned with how much energy is bound up in a certain mass, we say the mass is not moving and its momentum is zero (p = 0).  If this is the case:\n\nE^2 = m^2 * c^4 + (0)^2 * c^2\n\nE^2 = m^2 * c^4\n\nTake the square root of both sides and we get:\n\nE = mc^2\n\nThe full formula, with the momentum term included, works if we want to find the momentum of a photon.  For photons, m=0, so E = pc, or p = E/c.  \n\nEither way, the full form of the mass/energy equivalence formula is useful if something is at rest, or moving with a certain momentum.  E = mc^2  only works if the object is at rest.
13922
Really basically, E=mc^2 (be sure to always write m and c as lower case) is the relationship between rest mass and energy. The conversion is pretty simple. The constant c is the speed of light defined as 299,792,458 m/s.\n\nWhat is more useful is perhaps an understanding of just how really huge an amount of energy that makes for even a small amount of mass. This is the reason why nuclear reactions (which convert mass into energy) are so energetic by comparison to chemical reactions (in which mass is more or less conserved).
643023
excellet question. This got much deeper meaning then most people understand.\n\nIts energy, you see photons.  You touch and feel photon/photon exchanges.\n\nSince E=MCC, All matter are energy also, Photons.\n\nPhotons are travel at excatly the speed of light, and that makes them see the universe as a zero volume dot.\nIt takes no time at all to a photon to go from one end to the other end of the universe.\n\nThe next great question will be, where did all this energy came from.
250875
All the protons and neutrons are not bound equally strongly to the nucleus.\nI don't think the second or third law of thermodynamics are  involved. It is only a matter of binding energy and E=mc2.
851776
E=mc^2\n\nwhere \n E is in joules or kg·m²/s²,\nm is in kilograms, and \nc equals speed of light, in meters/sec (approx 3*10^8)
588727
The equation E=MC2 is the derivation from Einstein's relativity theory. this is not a case of the classic mechanics. this equation explains the value of energy of an atom. \n\nE-> Energy\nM-> mass of the atom\nC-> speed of the light.\n\nin this only speed of the light is constant. the mass differs by frame to frame in accordance to theory of relativity. so the energy of the atoms also differs with frame to frame. but this equation is not fully correct and Lorentz had made corrections to it. \n\nAnybody who can prove this equation as a total wrong thing with strong evidences will be announced as the greatest of the universe..
394861
I have no idea. But Steven Hawking says we cant travel back in time, and Einstein showed that hitting the speed of light with a mass is pretty unlikely. But that has no effect on the massless.\n\nAnd E=MC2 is just the rest energy of a particle of mass M and has no time travel implications.\n\nI know Cal-tech has some research in this field... look into it.
545787
E = mC^2. Therefore, Energy
68493
Energy is defined as being equivalent to Mass times the Speed of Light, Squared...\n\nE=MC(2)