Physics
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d_b
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All Questions Answers
Score Newest
answer
70
Why is there a need for the concept of energy if we have the concept of momentum?
Oct 11, 2020
answer
33
Why does the vacuum even have permeability and permittivity?
Nov 9, 2018
answer
23
Idea of Covering Group
Jan 31, 2014
answer
21
Is the magnetic vector potential "real" in classical electromagnetism?
Aug 7
answer
20
Why is the centre of mass of a semicircular wire outside the body?
Sep 30, 2020
answer
15
What is the physical importance of topological quantum field theory?
Mar 31, 2021
answer
15
Why is quantum gravity non-renormalizable?
Jun 30, 2019
answer
14
Properties of the dot product
Oct 31, 2020
answer
14
Is the second law of thermodynamics even a law?
Jul 28, 2020
answer
14
Is this four-step recipe for quantization always valid?
Jul 27, 2020
Top network posts
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64
What is the geometry in algebraic geometry?
11
Is it correct to say "My teacher yesterday was in Beijing."?
6
Proving that simple harmonic motion and pendulum motion are periodic
6
Is a book fund related to money?
5
Is it "beat three men off" or "beat off three men"?

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