Find answers to your questions about Physics or help others by answering their Physics questions.
Consider that a low energy electron and positron annihilate creating two 511keV photons with no other particles around. To time reverse this process, we send two 511eV photons to collide...
Asked on 08/15/2021
2 answerIt seems that if something can be stretched then it can be folded along a curved line. Since paper can't be stretched I can't fold it along a curve. But...
Asked on 08/15/2021 by Abu Saleh Musa
4 answerLet's say I want to calculate all connected 1-loop 4-point Feynman diagrams for a given interaction (in my case, with both $phi^3$ and $phi^4$ terms). Is there a...
Asked on 08/15/2021 by Sotiris
0 answerIf there is a train moving at 2 m/s with a cannon attached to it loaded with a ball, and then the ball is launched from the train, how would...
Asked on 08/15/2021 by planckton
1 answerI have heard from numerous sources (most notably "Surface charges on circuit wires and resistors play three roles" by J. D. Jackson) that there is surface charge on any...
Asked on 08/15/2021
1 answerWhy cannot a waterfall be considered to be never ending source of energy?A waterfall is converting it's potential into kinetic energy and if we "take out" some of it's...
Asked on 08/15/2021
2 answerA DC generator work by converting the mechanical energy of the rotating coil to electrical energy and hence current is generated. What if this generated current is supplied to a...
Asked on 08/15/2021 by Booritth Balaji
2 answerWhat exactly are energy eigenstates?For something like H = $homega left( begin{matrix}1 & 2i -2i & 4end{matrix}right)$ , what the eigenstates be like the eigenvectors, so ...
Asked on 08/15/2021 by Julia Volovich
1 answerCan a CO$_2$ molecule in the atmosphere that has been heated by the earth's radiation, transfer that energy to one of the many O$_2$ or N$_2$ molecules...
Asked on 08/14/2021 by Barry Rodgers
1 answerIt is written everywhere that gravity is curvature of spacetime caused by the mass of the objects or something to the same effect. This raises a question with me: why...
Asked on 08/14/2021
3 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP