Physics Questions, Problems & Solutions : TransWikia.com ~ Page 180

General solution of 3d wave equation as a superposition of plane/spherical waves

Is the general solution to the 3d wave equation a superposition of plane/spherical waves? Can this be shown?...

Asked on 07/17/2021

1 answer

Lagrangian in rotating reference frame

I have a homework question I am working on, and I'm stuck on the last term in this proof. The problem states: Question: Consider a primed set of axes coincident...

Asked on 07/17/2021 by Spaderdabomb

1 answer

How does the water anomaly affect the Mpemba effect?

I understand basic explanation of Mpemba effect like this: Distant molecules are easier to realign into new formations.But if we compared two bottles of water like in...

Asked on 07/17/2021 by foggy

1 answer

Understanding derivation of Wigner function for the Harmonic oscillator

In the document https://www.hep.anl.gov/czachos/aaa.pdf, they derive the Wigner functions, $f_n$ for the harmonic oscillator. However, I have some problems understanding some of the steps. On page...

Asked on 07/17/2021 by Physics101

1 answer

$Sigma^0$ and $n$ decay

I was asked to show that in the baryon octet, the $Sigma^0$ baryon is the only particle which decays electromagnetically.Since it is an electromagnetic decay, strangeness should be...

Asked on 07/17/2021

1 answer

Work-energy principle: What if there is no change in KE, but change in PE?

So I've been taught that the work-energy principle says that the total work done on an object is always equal to the change in kinetic energy of an object. Now...

Asked on 07/17/2021

3 answer

Tensor of inertia

The tensor of inertia of a solid sphere is $I_{ii}=frac{2}{5}MR^2$ about an axis passing through its CM. Why would the tensor of inertia of each hemisphere about that axis be...

Asked on 07/17/2021 by peripatein

2 answer

Velocities of different quark types inside nuclei

Using the uncertainty relationbegin{equation}Delta x Delta p geq frac{hbar}{2}end{equation}we can calculate the momentum uncertainty on a length scale of a nuclei. Assuming $r_{nucleus} sim...

Asked on 07/17/2021

1 answer

On the derivation of mayers relation

We write, $$U=q+W$$ [first law] for constant pressure case $$ C_p Delta T = Delta q+ nR Delta T $$ Now I do the same process but...

Asked on 07/17/2021

2 answer

Area under the Wien's Law graph

Before I proceed, in the Wien's law graph is the Y-axis Emittance[$E=Q/(A*t)$] or Power density ($Watt/M^3$)? According to several Google pages, The Y-axis is Power density but...

Asked on 07/17/2021 by puja lalwani

2 answer

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