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João Vítor G. Lima's user avatar
João Vítor G. Lima's user avatar
João Vítor G. Lima's user avatar
João Vítor G. Lima
  • Member for 6 years, 1 month
  • Last seen more than 3 years ago
  • Brazil
3 votes
1 answer
1k views

Can we estimate the coefficient of friction between two objects/materials?

3 votes
1 answer
339 views

Is this geometric argument enough to show that special relativity assumes flat spacetime?

3 votes
1 answer
385 views

Why must I solve the de Broglie relationship in a single dimension instead of all three?

2 votes
1 answer
4k views

Is the quantum harmonic oscillator energy $E = n\hbar\omega$ or $E = (n + 1/2)\hbar\omega$? (Feynman Lectures)

2 votes
1 answer
98 views

What would happen to a liquid's pressure if interaction between molecules ceased to exist?

2 votes
2 answers
401 views

Why exactly is Neutronium-4 unstable and how to explain Marqués' experimental results?

2 votes
1 answer
1k views

Can you plot an irreversible cycle on a PV diagram?

2 votes
1 answer
131 views

How detectable is the error in special relativity experiments because of general relativistic effects at the surface of the Earth?

2 votes
0 answers
180 views

Weird and unintuitive results from thermodynamics/hydrostatics for an isothermal atmosphere and possible explanation(?)

1 vote
5 answers
122 views

What stops a free electron from 'using' part of its own mass to generate radiation?

1 vote
1 answer
83 views

If the electric force is the exchange of virtual photons, how can free electrons be accelerated by it?

1 vote
1 answer
384 views

What does the spacetime diagram for accelerated/non inertial observers look like?

1 vote
1 answer
1k views

Einstein solid: one or three dimensional quantum harmonic oscillator?

1 vote
1 answer
86 views

Is it possible to estimate the average time until entropy decreases a certain amount?

0 votes
0 answers
97 views

Difficulty in calculating effusion rate using the kinetic theory of gases and statistical mechanics

0 votes
0 answers
42 views

How do we know that the conservation of energy is true? [duplicate]

-1 votes
1 answer
534 views

Maximum velocity of piston pushed by a gas on adiabatic irreversible expansion [closed]