Physics Questions, Problems & Solutions : TransWikia.com ~ Page 642

Why does magnetism penetrate all known materials

Does there exist a reason without complex mathematical descriptions that can account for the fact that there are no known materials that magnetism does not penetrate. I found a reference...

Asked on 01/18/2021

3 answer

How can I estimate a confidence interval for experimental results with only one run?

I'm planning an experiment, but due to cost and other circumstances, there will only be one realization of it. So the plan is to collect as many different types of...

Asked on 01/18/2021 by tpg2114

2 answer

On the orthogonality of the spin operator in a $z$-basis

After, in the $S_z$-basis $|S_{z,pm}rangle$ denoted by $|pmrangle$ and in units $frac{hbar}{2}$, finding the spin operator in a general direction $vec{n} = (sinthetacosphi,sinthetasinphi,costheta)$: $$hat{vec{S}}cdotvec{n}...

Asked on 01/18/2021

1 answer

Holographic principle and Wheeler's bag of gold

How is it possible to explain "bag of gold" spacetimes (see Marlof) such that the ideas are compatible with AdS/CFT and the holographic principle? ...

Asked on 01/18/2021 by user33923

1 answer

Why are extremely small masses expected to be in relativistic motion?

For example, neutrinos have an extremely small mass and are expected to be in relativistic motion. Why is that so?...

Asked on 01/18/2021

1 answer

The Hermiticity of the Laplacian (and other operators)

Is the Laplacian operator, $nabla^{2}$, a Hermitian operator? Alternatively: is the matrix representation of the Laplacian Hermitian? i.e. $$langle nabla^{2} x | y rangle = langle x...

Asked on 01/18/2021 by James Womack

2 answer

Lagrange Equation for thermal system

I am working on modeling of a multi-physical system using Lagrange based modeling and we know that Lagrange function, $L$, can be defined as below;$L= T-V$where:...

Asked on 01/18/2021 by Abid Shah

0 answer

Is the time "15:43:38" special for a Fermi-LAT mission?

I was reading a paper about the ANITA balloon-borne experiment. In Table 1 in the paper, the experiment times for 'flaring blazers searches' are denoted as 'year-month-day...

Asked on 01/18/2021 by Nownuri

1 answer

Tractrix - velocity pointing to pulling point

It is said the tractrix is the curve described by a mass being pulled by a string, where the end of the string being pulled moves with constant speed, and...

Asked on 01/18/2021 by miguel.negrao

2 answer

Will flipping the sign of the speed of all objects in a dynamical system result in "time reversal" i.e. like rewinding a tape?

This is really a beginner question so have mercy, I was listening to a talk in astrophysics and the person said that in order to learn where a bunch of...

Asked on 01/18/2021 by John Cataldo

1 answer

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