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Ebi
  • Member for 3 years, 11 months
  • Last seen this week
  • Australia
14 votes
3 answers
2k views

Why is dark energy dominant between galaxies but not inside galaxies?

13 votes
4 answers
5k views

A paradox regarding the Larmor formula

8 votes
2 answers
289 views

How can we explain expanding gas temperature at the microscopic level?

6 votes
2 answers
443 views

Is energy conserved in these falling chain problems? why?

5 votes
2 answers
835 views

A single photon in double slit experiment

4 votes
1 answer
406 views

Momentum of photons

3 votes
1 answer
217 views

Does the gravitational force of a gas change with its temperature? And why?

3 votes
1 answer
273 views

Is time still (frozen) for a single isolated particle?

3 votes
3 answers
255 views

How to explain photon is quanta of light?

3 votes
1 answer
426 views

Conceptual explanation for subsonic nozzle VS supersonic nozzle

3 votes
2 answers
261 views

How to explain different voltage and symmetry?

2 votes
2 answers
332 views

Bernoulli principle (classic form) in irrotational viscous flow (a paradox?)

2 votes
1 answer
445 views

Lift (elevator) and equivalence principle

2 votes
0 answers
94 views

Uncertainty principle relation for virtual particles [duplicate]

2 votes
1 answer
226 views

Stability of a bullet in vacuum

2 votes
2 answers
134 views

A relativity paradox on gravitational force

1 vote
0 answers
55 views

What is the physical concept behind the standard explanation of the Hawking radiation? [duplicate]

1 vote
2 answers
631 views

Photoelectric effect for a positively charged plate in vacuum

1 vote
0 answers
20 views

Howe energy is exchanged in vortex tubes?

1 vote
1 answer
96 views

Gas temperature in a constant volume

1 vote
1 answer
163 views

Is Energy conserved in a spinning top?

1 vote
2 answers
2k views

Speed of sound in a real gas

1 vote
2 answers
467 views

What is the angular speed of mass $m$ if we pull the string? [duplicate]

1 vote
2 answers
293 views

What happens if we shoot a single photon to a mirror?

1 vote
2 answers
307 views

Double slit experiment and sensors/instruments influence

1 vote
3 answers
116 views

Potential energy and mass

1 vote
0 answers
82 views

Inertial mass and gravitational mass [closed]

1 vote
0 answers
49 views

How to conceptually explain diagonal elements of viscous stress tensor in a fluid?

0 votes
0 answers
42 views

A bird in a container [duplicate]

0 votes
1 answer
345 views

Finding the tension of the rope with a mass