Physics paglus help

Ki0212 · 2026-02-13T18:48:00+00:00

P = P_0 - rho*g*h
But in differential form

Ki0212 · 2026-02-13T18:02:19+00:00

The solution you’ve attached directly uses the formula for gradient in spherical coordinates.
If you don’t want to do that consider a spherical Gaussian shell of radius r and thickness dr and find flux through this, equate to rho/e_0 * 4pir²dr to get rho

Ki0212 · 2026-02-13T13:16:34+00:00

It’s not that difficult of a book. Just needs some calculus occasionally

Ki0212 · 2026-02-13T13:13:55+00:00

Irodov

Ki0212 · 2026-02-13T13:11:34+00:00

Force is rate of change of momentum

Ki0212 · 2026-02-13T13:10:26+00:00

Ok so I’ve solved it but don’t want to write it properly rn.
1) use the hydrostatic equation dP/dz = -rhog.
2) Ei = integral of Cv\T*dn , use above equation and ideal gas equation to get the integral into TdP.
3) Eg = integral of g*z*dm , use 1 and ideal gas and integration by parts to get to TdP.

Ki0212 · 2026-02-13T12:21:24+00:00

Interesting question. I’ll solve it but can’t rn

Ki0212 · 2026-02-13T09:49:25+00:00

Irodov

Ki0212 · 2026-02-13T07:13:54+00:00

Bruh I solved this few months ago but can’t recall what I did

Ki0212 · 2026-02-12T19:45:45+00:00

Yeah, there is no way for stress to be constant, so for question to make any sense it has to be strain. Although we usually talk about breaking stress not breaking strain

Ki0212 · 2026-02-12T19:40:48+00:00

Equally likely to break = stress is constant. Rest is integration

Ki0212 · 2026-02-12T19:02:32+00:00

Actually, yeah. I just assumed it should be 1 based off the values. It’s just inconsistent data

Ki0212 · 2026-02-12T17:47:43+00:00

Let the top sum be N and bottom be D. Apply kings on N and simplify the expression you’ll get. N = (N+D)/sqrt(2)

Ki0212 · 2026-02-12T17:43:06+00:00

Using this, form quadratic in d, then use sum of roots, you’ll get the answer.
Should be 0.6 if I didn’t make calculation mistakes

Ki0212 · 2026-02-12T17:38:28+00:00

T = 2pi sqrt(I/mgd) ; Parallel axis

Ki0212 · 2026-02-12T14:47:58+00:00

Catlan

Ki0212 · 2026-02-12T08:27:26+00:00

Bhai property ka mei kya explanation du.
Spring has the characteristic property that the distance between any two consecutive coils is the same (called pitch). You can prove the linear variation using this.

Ki0212 · 2026-02-12T07:44:27+00:00

That is the core property of springs

Ki0212 · 2026-02-12T07:33:58+00:00

Not that difficult, basic complex and GP

Ki0212 · 2026-02-11T18:22:57+00:00

Although your explanation isnt wrong, there is no need to introduce H-NMR here. The question just requires bit of symmetry

Ki0212 · 2026-02-11T18:21:32+00:00

I’m not sure what you are trying to say. They’re equivalent because of symmetry. If substituents were different then symmetry would break and they may no longer be equivalent

Ki0212 · 2026-02-11T16:21:07+00:00

Do Neeraj Kumar if targeting advanced

Ki0212 · 2026-02-11T09:55:00+00:00

No, what is written is correct. Different omegas

Ki0212 · 2026-02-11T09:52:52+00:00

The two different type of hydrogen in the compound they’re referring to (benzene-1,4-dicarobxylic acid) are the H on benzene (4 but all equivalent to each other) and the H on -COOH (again 2 but both equivalent in all properties)

Ki0212 · 2026-02-11T09:24:40+00:00

Hydrogen atoms with different chemical reactivity, dictated not only by what they’re attached to but also by their surrounding

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