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2d
awarded  Explainer
2d
comment What can be a differential solution for $\frac{dy}{dt}= -Cy$?
@KyleKanos: They wouldn't like it very much over there anyway, since it shows no prior effort.
2d
answered Why aren't Faraday's law of induction and Maxwell-Ampere's law (without sources) symmetric?
2d
comment Why aren't Faraday's law of induction and Maxwell-Ampere's law (without sources) symmetric?
@KyleKanos: The question, as far as I can tell, is why $\nabla \times \mathbf{B} = \epsilon_0 \mu_0 \frac{\partial \mathbf{E}}{\partial t}$. The answer is that $\epsilon_0 \mu_0 = 1/c^2$, and the constant is there to make the units come out right.
2d
revised Why aren't Faraday's law of induction and Maxwell-Ampere's law (without sources) symmetric?
Latexified
2d
suggested suggested edit on Why aren't Faraday's law of induction and Maxwell-Ampere's law (without sources) symmetric?
Oct
20
awarded  Yearling
Oct
19
comment Geometrised Units
The reason is that in geometrized units we usually keep the unit of length as the fundamental one: the meter doesn't change, and so the squared meter doesn't change either.
Oct
19
answered Show the equivalence of two electrostatic energy
Oct
19
answered Where does the partial derivative come from in Sakurai's derivation of the momentum operator?
Oct
18
comment What would be the dynamics of a double-planet system, similar to Earth / Moon, but with both bodies nearly Earth-sized?
The Pluto-Charon system is more or less like this.
Oct
16
revised Energy Dispersion in Young's Double Slit Experiment
Answer was wrong (oops)
Oct
16
revised Energy Dispersion in Young's Double Slit Experiment
added 109 characters in body
Oct
16
comment Energy Dispersion in Young's Double Slit Experiment
@CuriousOne: That's a good point; I guess I too thought the explanation made sense and left it at that. I'll try to fix it tomorrow.
Oct
15
answered Energy Dispersion in Young's Double Slit Experiment
Oct
14
answered 'Mechanical equilibrium does not necessarily mean that the pressure is same at all points of the system' - why?
Oct
14
comment Why doesn't this proof change indices?
@PhilosophicalPhysics: No, but it might be in the future. Also, please make your question a bit clearer. The linked proof is a mess of indices and hard to read; I can't find $\frac{\partial x^\sigma}{\partial y^{\rho '}}$ anywhere. I guess you are probably referring to $J^\sigma_{\rho '}$, but you should add more detail anyway (unless someone more skilled at deciphering indices than I can answer).
Oct
14
comment How did Newton establish his famous third law of motion?
Also I wonder how you managed to prove the second law.
Oct
13
comment Why can't de Broglie waves be electromagnetic in nature?
I don't think this answers the question.
Oct
13
accepted Why can we use just one angular velocity vector to describe the rotation of a whole non-inertial reference frame?