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Imagine a perfect mass spring system. If it's put on an accelerating plane, how will the motion change? Is the plane's acceleration like a driving/damping force, where: $$F_{text{driving}} = text{mass}...
Asked on 01/09/2021 by Nimrod Sadeh
1 answerObservations:I have read that for a free-falling observer within the eventhorizon of a black hole that all lines of sight will end at thesingularity which is black.I also...
Asked on 01/09/2021 by Nicholas Lee
5 answerI am doing some simulations in COMSOL with the material $rm GaAs$. The COMSOL built-in models require me to input the relative permeability and electrical conductivity of $rm...
Asked on 01/09/2021 by Sibbs Gambling
2 answeras explained here, the magnetix field generated by a thick conductor is equal to: Inside the wire:...
Asked on 01/09/2021
1 answerIt is a rotational motion problem from Kleppner mechanics: Two masses $m_a$ and $m_b$ are connected by a string of length $l$ and lie on a frictionless...
Asked on 01/09/2021
2 answerLet $psi=a_1phi(1s(2) ^1S)+a_2phi(1s(1)2s(1) ^1S)+a_3phi(2s(2) ^1S)+... $ be a state of the helium atom. Applying variationally calculus we can found the energy expectation value of...
Asked on 01/09/2021
1 answerA perfect lens focuses the light rays from an extended object (in a plane at a constant distance from the lens), in the focal plane corresponding to the distance of...
Asked on 01/09/2021
1 answerThis question is more to do with what matter is and what matter is not.We know that there is something called matter, which is basically everything we see around...
Asked on 01/09/2021 by Akhilesh Balaji
1 answerI understand that in an atomic clock there is a microwave signal that is locked to the frequency of the atomic rotation. However, if one wants to extract time ticks...
Asked on 01/09/2021 by TQM
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