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From a mathematical point of view it seems to be clear what's the difference between momentum and $mv$ and kinetic energy $frac{1}{2} m v^2$. Now my problem is the following:...
Asked on 01/06/2021
3 answerTo explain what I mean let's say I have an object that is moving and I know its speed and direction (angle). I can get the X and Y components...
Asked on 01/06/2021
3 answerI want to simply eliminate the effect of acceleration, which is the cornerstone in resolving the traditional twin paradox, through the following thought experiment: Assume twins $A$ & ...
Asked on 01/06/2021
6 answerIn this formula: $$F_s = kx$$ what is the force that influences on the length of the spring? For example I figured out if we pull up a mass...
Asked on 01/06/2021 by user283188
1 answerI just wanted to ask if this equation can be used when finding rotational inertia for the thin spherical shell. I am not sure if it is done the right...
Asked on 01/06/2021 by Kuke
0 answerI am looking for a good book on the historical development of quantum mechanics. I have come across quite a few, but do not know which to read. I have...
Asked on 01/06/2021 by Mathew Mehrian
0 answerIn, say, a quantum field theory of a single scalar field $phi$, it is common to write the identity as ${bf 1}=int{cal D}phi, |phiranglelangle phi|$, a useful thing...
Asked on 01/06/2021
0 answerI came across the Nielsen form of Lagrange equations and I'd like to know what it's advantages are compared to the Lagrange equations, but I've been looking...
Asked on 01/06/2021 by dondi
0 answerUnderground atomic bomb tests are done in a deep, sealed hole. Not all underground tests eject material on the surface. In this case, they are only noticeable as earthquakes,...
Asked on 01/06/2021 by Volker Siegel
2 answerI was reading the following topic on Wikipedia but couldn't understand few points: https://en.wikipedia.org/wiki/Mass–energy_equivalence#Mass–velocity_relationship. I'd appreciate it if you could keep the answer simple. I have highlighted...
Asked on 01/06/2021 by PG1995
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