Find answers to your questions about Physics or help others by answering their Physics questions.
I am modeling an object under a force $F$ that diminishes with distance but is considered constant at small time intervals. I am also incorporating a drag force ...
Asked on 06/28/2021 by QuantumGravity
0 answerWhat relation exists between the critical density of the universe indicated by $Omega$ and the cosmological constant $Lambda$ of Einstein's equation? Generally with $Omega>1$, $Omega<1$ and...
Asked on 06/27/2021
0 answerIf you use light to try and synchronize clocks to meassure the one-way speed of light it doesn't work, because if c is not constant in all directions, the clocks...
Asked on 06/27/2021 by Alexander Kent
0 answerI'm working through Walds GR Textbook and while reading chapter 5 I stumbled upon the question Proving constant curvature.However, my question is how do we prove that ...
Asked on 06/27/2021 by Orange123
0 answerI know that in polar coordinates, it is$frac{partial ,{{mathbf{e}}_{r}}}{partial theta }={{mathbf{e}}_{theta }}$ and $frac{partial ,{{mathbf{e}}_{theta }}}{partial theta }=-{{mathbf{e}}_{r}}$where ${{mathbf{e}}_{r}}$ and ${{mathbf{e}}_{theta }}$ are the...
Asked on 06/27/2021 by Luca M
1 answerAll the explanations for why the beta decay of cobalt 60 seem to revolve around 'in a mirror flipped world the process is different', and while I understand the intrinsic...
Asked on 06/27/2021
1 answerIt is often stated that the property of spin is purely quantum mechanical and that there is no classical analog. To my mind, I would assume that this means that...
Asked on 06/27/2021
4 answerCould a magnetic field with a direction opposite the earths repel the earth, or would it have to be of equal force?...
Asked on 06/27/2021 by Luke Schafer
3 answerPeskin & Schroeder state that the contraction of two fields, defined as the commutator:$$ [phi^+(x),phi^-(y)]qquad text{assuming} x^0>y^0$$is equal to the Feynman propagator $D_F(x-y)$. But, why is...
Asked on 06/27/2021
1 answerMy question relates to this question and more specifically an answer (by 'oliver') it received. A sealed tube is heated at...
Asked on 06/27/2021
0 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP