List questions from physics

Published on 25 Mar 2026 - 14:24

1.1k

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Stuck in using Stirling's approximation to show and justify an approximation of the number of permutations with and without ordering

Published on 15 Apr 2026 - 6:27

262

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Interesting derivation of the moment of inertia of a Ball

Published on 16 Apr 2026 - 14:34

898

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Is this proportionality proof erroneous?

Published on 11 Apr 2026 - 10:57

311

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How to diagonalize a Hermitian matrix using a quasi-unitary matrix?

Published on 10 Apr 2026 - 19:43

2.6k

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Tips to find magnitude of 2 forces when given the magnitude of their resultant

Published on 11 Apr 2026 - 9:51

351

Views

Diffeomorphisms vs symplectomorphisms / volume conserving diffeomorphisms in an application

Published on 14 Apr 2026 - 11:36

127

Views

How to solve $a = \cos x - b\sin x$ where $a$ and $b$ are real numbers?

Published on 15 Apr 2026 - 3:51

163

Views

Identity in general relativity, not sure if true or not

Published on 27 Mar 2026 - 10:09

839

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"Flow lines" of "dust" are geodesics?

Published on 27 Mar 2026 - 10:09

57

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Which functions can be the resistance of a network?

Published on 12 Apr 2026 - 11:57

962

Views

Integrating the equation for change in entropy

Published on 11 Apr 2026 - 8:30

347

Views

Accelerating one moving body to intercept another body in 2d

Published on 27 Mar 2026 - 3:49

77

Views

Determining the most appropriate set of eigenmodes for a modal decomposition of an experimental data set

Published on 10 Apr 2016 - 12:51

1k

Views

Associated Legendre Polynomials!?

Published on 27 Mar 2026 - 5:15

List Question

Proof involving Poisson bracket

Stuck in using Stirling's approximation to show and justify an approximation of the number of permutations with and without ordering

Interesting derivation of the moment of inertia of a Ball

Is this proportionality proof erroneous?

How to diagonalize a Hermitian matrix using a quasi-unitary matrix?

Tips to find magnitude of 2 forces when given the magnitude of their resultant

Diffeomorphisms vs symplectomorphisms / volume conserving diffeomorphisms in an application

How to solve $a = \cos x - b\sin x$ where $a$ and $b$ are real numbers?

Identity in general relativity, not sure if true or not

"Flow lines" of "dust" are geodesics?

Which functions can be the resistance of a network?

Integrating the equation for change in entropy

Accelerating one moving body to intercept another body in 2d

Determining the most appropriate set of eigenmodes for a modal decomposition of an experimental data set

Associated Legendre Polynomials!?

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