Physics Questions, Problems & Solutions : TransWikia.com ~ Page 643

Might we deduce the masses of standard model fermions from symmetry principles alone?

There are 24 fermions in the standard model (if we consider left/right and particle/anti-particle as the same type). Thus there are 24 masses to find. (Yes, it is generally considered...

Asked on 01/18/2021

1 answer

Can Alcubierre Space Drive function in space time within event horizon of a Black Hole?

Alcubierre Drive compresses space in front and propagates as such but in a singularity where space is untraversable is propagation possible? If so can you prove it?...

Asked on 01/18/2021 by Bhavam Vidyarthi

1 answer

Clarification regarding the molecular nature of friction described by Amonton's laws?

By Amonton's laws, we say that the force of kinetic friction takes the following form: $$ F= mu W$$ Where $ mu$ is some constant and $...

Asked on 01/18/2021

2 answer

Nilpotency of BRST operator in gravity

I am going through the BRST quantisation in Perturbative quantum gravity and looked at the papers of Nishijima and Ojima. I am confused about the closure of the BRST operator;...

Asked on 01/18/2021 by Pratik Chatterjee

1 answer

Rotational Kinetic Energy Conservation

Consider a chain around two gears, one of of radius $r_1$ and the other of $r_2$. Say the gear $r_1$ is attached to a rotational device that...

Asked on 01/18/2021 by A.AK

3 answer

Band structure of the Hubbard model

I know about the single particle band structure of the Hubbard model in (1+1)-dimensions, however, what I am not sure about is how the band structure would look when we...

Asked on 01/18/2021 by Alphy

0 answer

Why are coherent states of harmonic oscillators called "coherent"?

Why are coherent states of the harmonic oscillator called coherent? Coherent in what sense? Why are these states so special/useful? From Wikipedia: In physics, two wave...

Asked on 01/18/2021 by Luka8281

3 answer

Confusion in equation of integration and differentiation for motion?

It says displacement time equation here but x is position of particle here I think. It is not displacement of...

Asked on 01/18/2021 by Physics is my life

3 answer

Can you explain the direction of angular displacement?

Here the purple represents the disc, red represents the axis of rotation of the disc, and green represents the direction...

Asked on 01/18/2021

1 answer

Question on Ampere's Law and Solenoid

Just came across magnetic field inside a solenoid and amperes law. Amperes law says that dot product of magnetic field and distance from current would give us the $mu_p$...

Asked on 01/18/2021 by EDAGT

2 answer

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