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I am currently a senior high school student taking IB and I chose to write an extended essay in physics. The essay is about the diffusion of a gas with...
Asked on 02/12/2021 by coby1kenobi
2 answerSuppose I have 2 charges (+q and +Q) which remain fixed and are placed at a seperation R. They will have some Potential Energy which is kQq/R. So I wanted...
Asked on 02/12/2021
0 answerI'm beginning to study some particle physics and as I understand, all particles have an antiparticle that is identical besides charge, which is inverted. Thus I understand that there is...
Asked on 02/12/2021 by wilada
2 answerIs there a difference between topological defects and topological soliton? Or are these objects the same thing? I ask this because it very common find some papers whose the authors...
Asked on 02/12/2021 by lucenalex
1 answerOn earth and in our solar system we do not notice any effects of a non-zero cosmological constant. The accelerating expansion of the universe was only detected by observing the...
Asked on 02/11/2021
3 answerThis is more like a conceptual question. We define rigid bodies as solid bodies with zero or almost zero deformation (meaning the deformation should be negligible). So no distance between...
Asked on 02/11/2021 by Monopole
4 answerBoth alpha and beta radiations can only travel short distances through air as they're not as penetrating as gamma radiations. How long gamma radiations with 22 MeV energy can travel...
Asked on 02/11/2021 by Mohamed Obeidallah
1 answerWhile solving the wave equation for a hydrogen atom, the first part of the solution is solving for the $Phi(phi)$. We have$$frac{1}{Phi}frac{partial^2Phi}{partialphi^2}=-m^2$$ which has the solution, ...
Asked on 02/11/2021 by biology12323
2 answerIt is undergraduate textbook level knowledge that atoms are polarizable – that is, they become electric dipoles in electric fields due to the deformation of the electron...
Asked on 02/11/2021 by Sean E. Lake
1 answerMaxwell equations allows us to calculate the electromagnetic fields based on the motion of charged particles. On the other hand, to see how particles are affected by those fields, you...
Asked on 02/11/2021 by bruce smitherson
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