Physics Questions, Problems & Solutions : TransWikia.com ~ Page 729

When the Center of Mass and Center of gravity does Not Coincide

"The centre of mass of a system of particles is the point that moves as though (1) all of the system's mass were concentrated there and (2) all external forces...

Asked on 12/18/2020 by grex1997

2 answer

Why isn't $∆S = frac{KQ_{rev}}{T}$?

In my book , some sites and even on this question, I read that the change in entropy of a system in a reversible process is...

Asked on 12/18/2020

4 answer

Error Propagations for Integrals and Summations

Suppose I have 3 straight lines: $$y_1 = m_1 x + c_1;$$ $$y_2 = m_2 x + c_2;$$ $$y_3 = m_3 x + c_3;,$$ and $$m_1...

Asked on 12/18/2020 by user273265

0 answer

What is the difference in application for near infrared camera data capture as opposed to infrared data capture?

I am trying to understand why I would use a near infrared as opposed to an infrared camera for data capture of vegetation health monitoring....

Asked on 12/18/2020 by user43710

1 answer

Heating cup in microwave?

I heated my milk cup in the microwave today and noticed that the cup was hot but not the handle. Even if I heat it too much , cups...

Asked on 12/18/2020 by user277437

2 answer

Why can we get maximum work from a reversible process?

We know that the work done by any force is independent of the speed of the object and it depends only on the force and displacement.So if we consider a...

Asked on 12/18/2020

3 answer

XXZ/Sine-Gordon equivalence, paramter correspondance; Luther point in XXZ?

It has been argued that isotropic XXZ model corresponds toan SG theory which flows to $K=1$, $u=0$ fixed point. AFM XXZ model should correspond to some SG theory with...

Asked on 12/18/2020 by YuchiHe

1 answer

Relation between mass, speed and acceleration in Special Relativity

I heard it explained that Special Relativity does not actually forbid faster-than-light travel. Instead – it was argued – it is impossible to transcend the speed of light by any...

Asked on 12/18/2020 by Sventimir

1 answer

Everyday repercussions of nuclear forces change

I'm pretty sure that, if all of a sudden gravity just disappeared (someone just set $G=0$ by turning a magical knob) we would notice immediately, starting to float in...

Asked on 12/18/2020

3 answer

Deriving Continuum BdG equation from Tight-Binding model for Graphene-Superconductor interface

BackgroundMy question concerns Beenakker's paper on "Specular Andreev Reflection in Graphene": cond-mat/0604594 (arxiv)/Phys.Rev.Lett. 97, 067007 (The same topic is also discussed in ...

Asked on 12/17/2020 by MOOSE

0 answer

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