/sci/ - Science & Math » Thread #10816058

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Why do many energy quantities have a 1/2 term?

Anonymous Thu 18 Jul 03:05:48 2019 No.10816058 View Reply Original Report

Quoted By: >>10817167 >>10818618

Kinetic energy, magnetic field energy density, electric field energy density, Elastic potential energy, rotational kinetic energy, Gamma or X Ray recoil energy, KE of bulk motion of fluid,

Anonymous

Anonymous Thu 18 Jul 2019 03:12:15 No.10816070 Report

Quoted By:

The work done is the integral of the force by the distance, and 1/2 is produced by the integral

Anonymous

Anonymous Thu 18 Jul 2019 03:43:28 No.10816102 Report

Quoted By: >>10818583

Because triangles man. You always end up with triangles in Physics when there is any kind of proportionality.

Anonymous

Anonymous Thu 18 Jul 2019 17:14:42 No.10817167 Report

Quoted By:

>>10816058
Because otherwise you would have 2x on the other side of the equation.

Anonymous

Anonymous Fri 19 Jul 2019 02:49:05 No.10818415 Report

Quoted By:

Why is why?

Anonymous

Anonymous Fri 19 Jul 2019 04:27:12 No.10818576 Report

Quoted By:

the integral of x is x^2/2 + C, that's why

Anonymous

Anonymous Fri 19 Jul 2019 04:30:55 No.10818583 Report

Quoted By:

>>10816102
Are there circles every time $\pi$ shows up?

Anonymous

Anonymous Fri 19 Jul 2019 04:51:41 No.10818618 Report

Quoted By: >>10818630

>>10816058
Location of the minimum of an Objective functional formulated in lagrangian Dynamics.
>Try writing you problem as a action minimization
>Find the 1/2 coefficient by making units consistent
I doubt you understand this answer, but that's the answer.

Anonymous

Anonymous Fri 19 Jul 2019 05:00:14 No.10818630 Report

Quoted By: >>10818633

>>10818618
Shut up you fuckin faggot

Anonymous

Anonymous Fri 19 Jul 2019 05:03:28 No.10818633 Report

Quoted By: >>10818649

>>10818630
>faggot
Why the homophobia?

Anonymous

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Anonymous Fri 19 Jul 2019 05:11:43 No.10818649 Report

Quoted By:

>>10818633

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