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Physics : Recent Questions and Answers (Page 617)

Find answers to your questions about Physics or help others by answering their Physics questions.

How can nuclear fusion release energy (even in principle)?

After reading a comment by @Stian Yttervik to one of the answers in this question that goes asI would add that in both cases, the resultant products are in...

Asked on 01/27/2021

1 answer

General solution of second Maxwell equation

The second Maxwell equation can be written as $$partial_{[gamma}F_{munu]}=0$$We know $F_{munu}=partial_mu A_nu-partial_nu A_mu $ satisfies above equation. My question: is this the only solution of the equation...

Asked on 01/27/2021

1 answer

Eccentrically loaded bolts in which the plane of loading is parallel to the bolt plane

This are eccentrically loaded bolts in which the plane of loading is parallel to the bolt plane.When deriving an equation to...

Asked on 01/27/2021 by Socre

1 answer

Do neutrino really decay?

It is suggested that neutrino decay in both Dirac as well as Majorana models,in the former the byproduct is undetectable whatever that may mean and in the latter it is...

Asked on 01/27/2021

0 answer

Can vacuum cause something similar to the Hawking radiation?

If my understanding is correct, Hawking radiation is caused by two virtual photons separated by the event horizon of the black hole. Then, if the universe expands fast enough, (probably...

Asked on 01/27/2021 by Skq A

1 answer

Gravitational wave equations worked out

Is there a website where gravitational wave equations are worked out numerically? I would like to experiment with mass configurations but can't find examples....

Asked on 01/27/2021 by Lowell Boggs

1 answer

Does unity drag coefficient have special meaning?

gives examples of drag coefficients of assorted shapes from 0.045 to 1.28. I understand that $C_D=large{frac F{frac 12Av^2rho}}$. Does...

Asked on 01/27/2021 by Gnubie

1 answer

How to envision particles in superposition in Many Worlds presplitting

Should particles in superposition before quantum decoherence (many worlds) be envisioned in the same exact way as they are envisioned before wave function collapse (Copenhagen)? Clearly, the particle in Many...

Asked on 01/27/2021

0 answer

Calculating entropy of a cycle consisted of isothermal, isobaric and adiabatic processes

In a thermodynamic cycle, consisted of three processes: isothermal, isobaric and adiabatic, where all processes are reversible: Is it possible to...

Asked on 01/27/2021 by Amirhosein Rezaee

1 answer

Are the precession and nutation of Earth's core directly connected with precession and nutation of Earth's magnetic field if they are present?

If the magnetic field of Earth is generated in the core of the Earth can we deduce core's precession cycle by measuring the precession of Earth's magnetic field (not Earth...

Asked on 01/27/2021

1 answer

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