Physics
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gj255
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64 Answers

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41 votes
Accepted

Do black holes have a moment of inertia?

31 votes
Accepted

What would qualify as a deceleration rather than an acceleration if speed is unchanged?

24 votes

If spacetime is curved, how would anyone know? If anyone could tell, would that really be spacetime curving?

19 votes
Accepted

What is the Hamiltonian of General Relativity?

17 votes

Commutator algebra in exponents

11 votes
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Spinor dotted and undotted indices

10 votes
Accepted

What is the state of the equilibrium for a second derivative equal to zero?

8 votes
Accepted

How to find a particle's dynamics in general relativity?

8 votes
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Is any work done if I walk in a circle?

7 votes
Accepted

Deriving $F = ma$ - Newton's Second Law of Motion

7 votes
Accepted

How is time evolution done in numerical GR?

6 votes
Accepted

Physical meaning of frames in general relativity

6 votes

What is the relationship between Maxwell–Boltzmann statistics and the grand canonical ensemble?

6 votes

Why is a proton assumed to be always at the center while applying the Schrödinger equation?

6 votes
Accepted

Are event horizons "geodesic"?

6 votes

Derivation of Klein-Gordon equation in General Relativity

5 votes
Accepted

A Question about a $U(1)_{B-L}$

5 votes
Accepted

Why are there negative energy particles inside a black hole?

5 votes
Accepted

Is proton a Dirac fermion? If yes, does it also have a Lande-g factor $g=2$?

5 votes

Higgs couplings and fermion masses

5 votes
Accepted

In BSM model building, what counts as fine tuned?

5 votes
Accepted

Question about Standard Model Lagrangian

5 votes
Accepted

Do eigenvectors of quantum operators span the whole Hilbert Space?

5 votes
Accepted

How relativistic Doppler effect interact with time dilation?

5 votes
Accepted

Would approaching a distant star at near the speed of light unfold its entire history in "fast-forward"?

5 votes
Accepted

Differentiation in general relativity

4 votes
Accepted

Can we make a "Gravity Mill" based on principle(s) of Newton's cradle?

4 votes

Is the existence of a photon relative?

4 votes

Is the $N$ factorial in the Partition function for $N$ indistinguishable particle an approximation?

4 votes
Accepted

Does gravity exert more "power" when an object is traveling faster?

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