E = mc2 states an equivalence between energy (E) and mass (m), in direct proportion to the square of the speed of light in a vacuum (c2).
http://www.drphysics.com/syllabus/energy/energy.html
Einstein reasoned that the center of mass of an isolated system doesn't just move on its own. So, the motion of the cylinder must be compensated by the motion of some other mass. Let's assume the light has mass m. Then, Mx=mL, since the cylinder moves x to the left and the light moves L to the right. Substituting the expression for x given above, the equation can be simplified to E=mc2.
2006-11-22 01:46:35
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answer #1
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answered by ♥gigi♥ 7
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This is an equation show the relation between energy and mass of an object.
In physics, E = mc2 is an important and well-known equation, which states an equivalence between energy (E) and mass (m), in direct proportion to the square of the speed of light in a vacuum (c2).
2006-11-22 01:08:05
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answer #2
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answered by Thu 2
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E = mc2 is Einsteins theory of relativity, which states an equivalence between energy (E) and mass (m), in direct proportion to the square of the speed of light in a vacuum (c2).
2006-11-22 01:21:04
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answer #3
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answered by Anonymous
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E = mc2 is an important and well-known equation, which states an equivalence between energy (E) and mass (m), in direct proportion to the square of the speed of light in a vacuum (c2).
You should know that !!
2006-11-22 01:01:45
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answer #4
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answered by talkingformydog 4
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99% of the times I see e-mc2 written or mentioned, it means that somebody who doesn't know the first thing about physics is trying to act like they do. It's like shorthand for "I must be really smart" in movies TV commercials and pop culture references.
It's similar to the way 99% of the times somebody says "to be or not to be" they're actually bluffing, and hoping the other guy doesn't know any more Shakespeare than they do (usually none except those six words).
2006-11-22 02:42:13
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answer #5
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answered by roboseyo 3
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This is Eienstien's theory of relativity. Energy is equal to the mass times the constant squared.
2006-11-22 01:00:19
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answer #6
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answered by WC 7
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From what I remember:
Energy = mass x velocity to the power of 2
2006-11-22 01:00:06
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answer #7
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answered by Anonymous
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the energy of an object is equal to the mass multiplied by the speed of light squared.
2006-11-22 01:01:51
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answer #8
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answered by Anonymous
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(energy) = (the mass of the object) times by (the speed of light squared)
2006-11-22 01:00:12
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answer #9
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answered by Doucheball 3
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This is Einstein's equation for measurement of energy
Energy=massxacceleration squared
2006-11-22 01:34:57
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answer #10
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answered by Anonymous
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