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It is stated at numerous places that in a steady flow, all particles move along the streamlines, i.e. streamlines and pathlines coincide. For example -...
Asked on 05/25/2021 by Devashsih Kaushik
2 answerWhile finding the SHM equation for liquid in a U tube using energy conservation, we have:$$E=K+U tag{1}$$$$K=frac12Mv^2$$where $v=dot{y}$ ...
Asked on 05/25/2021 by GreasyToothBee
2 answerThe Lagrangian in general relativity is written in the following form:$$begin {aligned}mathcal {L} & = frac {1} {2} g ^ {mu nu} nabla_{mu} phi nabla_{nu} phi-V...
Asked on 05/25/2021
1 answerIf the Weyl symbol $A_W$ of an operator $hat{A}$ has a multiplicative inverse at every point of the phase-space, can I conclude that $hat{A}$ is invertible?...
Asked on 05/25/2021 by ilp
0 answerI have a circuit with a piezoelectric transducer which converts mechanical energy to electrical. The ceramic is connected to a 1 Megaohm resistor and a voltmeter which reads voltage. ...
Asked on 05/25/2021 by ARJ
1 answerI'm currently studying 2D rigid body dynamics. To describe the translational motion of a 2D rigid body, the linear momentum form of Newton's second law is used: $$vec{F}_{rm ext}=m_Gvec{a}_{G/O}$$...
Asked on 05/25/2021 by roflmfao
2 answerI am Studying Electron self-energy using Ryder's textbook, In page 334 we can seeDefining $k'=k-pz$ and avoiding the term linear in $k'$(because it integrates to zero) gives...
Asked on 05/25/2021
2 answerWhat material would be best suited to create a shield to protect from the new heat ray gun?...
Asked on 05/25/2021
2 answerIn Tenet (2020), Laura speaks about inverted bullets:Laura: It's inverted. Its entropy runs backward. So, to our eyes, its movement is reversed. We think it's a type of inverse radiation...
Asked on 05/25/2021 by David Anderson
1 answerI am in high school at the moment and I am revising a section on waves. I am slightly confused by some things in our notes, which I would like...
Asked on 05/25/2021 by UnrulyTank
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