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I am having trouble in applying the conservation of angular momentum in the following problem.A uniform rod of mass M and length a lies on a smooth horizontal plane. A...
Asked on 02/14/2021 by Ram Gupta
0 answerAccording to Coulomb law, the electromagnetic force between point charges separated at zero distance is infinite. Does QED explains the same result, or there is any difference? ...
Asked on 02/14/2021 by MichaelPhysica
1 answerIn a similar setup, (all surfaces are smooth) I was asked to calculate the maximum height the block can climb,...
Asked on 02/14/2021
2 answerImagine you have a point A and a point B. Does it takes the same amount of joules to travel from A to B no matter how you do it...
Asked on 02/14/2021
2 answerIn quantum mechanics one can "always" write the way an operator acts on a wave function as a coordinate transformation. As an example we can look at unitary representation of...
Asked on 02/14/2021
1 answerI am trying to compute the square of the slashed covariant derivative (the sum of the partial derivative and vector potential contracted with the gamma matrices) in terms of the...
Asked on 02/14/2021 by Xelote
1 answerHow do I find the radiation pressure exerted on a perfectly reflective flat surface that is moving along the normal of the mirror?...
Asked on 02/14/2021 by Benedetto
1 answerI have a very small understanding of space-time however I have been watching some interviews and reading articles featuring theoretical physicist Kip Thorne and I have a few questions that...
Asked on 02/14/2021 by Jai Anderson
1 answerThe Peierls substitution is given by the following formula:$$t_{12}rightarrow t'_{12}=expleft[int_{{bf R}_{1}}^{{bf R}_{2}}{bf A}({bf r})cdot d{bf r}right]t_{12}.$$ What are the meanings of the ${bf R}_{1}$ and and...
Asked on 02/14/2021 by Solidstate
0 answerCan someone kindly help me to know how can i get electron momentum density for one orbital like home?what is the theory of electron momentum density? how can I...
Asked on 02/14/2021 by latif
1 answerGet help from others!
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