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I can give you useful books with examples on these topics.

@@mathsphysicstutor6543 I would appreciate that

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Publishing of any printed material is prohibited by IB. I suggest that student has a past paper and can read it parallelly. If you need a past paper, I can give you.

Sir if you want to grow your channel can communicate once

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Because a single fraction is equal to zero when numerator=0 and denominator cannot be zero. Or, as you like, you may do cross multiplication and gen the same.

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I didn't see papers. My student said that it was not difficult. But the better papers are done the greater grade boundaries will be (I think).

yes, negative. Coordinates of the point K are correct.

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Yes, my fault. Definitely, there are 2 squares out of 5 not a half. It's an overdose of caffeine. Q1 there must be delta v=0.8 not 1 and then %U=0.8/8=10%.

it's a quite easy question. You should know that potential is related to energy so is a scalar (not vector) quantity, so always plus!!! using a formula from a data booklet V=-GM/r. So just -Gm/d+-G2m/2d=-2Gm/d. Field strength (g=GM/r^2) is related to force so it's a vector quantity. Field strength at a point produced by some mass is a vector directed to this mass (because there is always attraction between masses) and the resulting field produced by two masses at a point will be a vector sum and since vectors are in opposite directions, you need difference. Or you may just understand that some mass at X will be attracted to the left and to the right so you need difference Gm/(d^2) - G2m/(2d)^2= Gm/2d^2 and is directed to P because field strength g produced by P is greater. It means if you put a mass M at X it will be attracted to P with a force Mg.

@@mathsphysicstutor6543 Thanks!

fee-paying private IB school with a physics teacher who don't know physics, isn't it?

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Done

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I don't understand what you mean, for this question area not required to be found. In general, you may be asked to find some area represented on the Argand diagram. It will be bounded or constructed by points or line segments represented by complex numbers. You can find lengths or angles from coordinated and using usual formulas area can be found.

Definitely, it would be easier. And, actually, there is n=2 in a markscheme.

what questions?

More on electric current

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It's prohibited to show a paper. You can open a paper parallelly on your laptop and read questions before. Definitely, it would be better to read a printed paper before. To write questions by hand, it's too much.

IB organization doesn't allow to use or demonstrate Past Papers or any other materials. My first channel has been deleted by youtube. Definitely, to use printed paper would be much useful. I'm not sure that even "hand-writing" is not a violation of copyrights.

@@mathsphysicstutor6543Ahh thought so, been hearing alot of dissatisfaction about IB not allowing allowing free resources. No wonder there aren't many IB subject youtubers.

My pleasure! This paper (Nov 23 Paper 3) is relatively easy.

@@mathsphysicstutor6543 Which papers would you say are the hardest?

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It has already come. Absolutely the same integral on Nov 2023 Paper 3 Q2 but in other context.

@@mathsphysicstutor6543Oh I meant for mine. I had my mocks and paper 3 absolutely stumped me. Is there any particular way I can prepare for P3? P1 and P2 are good, but I don't know how to go about P3.

An advantage of P3 question is that there many (mostly small) questions and, for example, if you don't know how to answer a), don't give up, you may answer b) because it may be, for example, just to take derivative. Also a question may sound as something very difficult but indeed it's some "familiar". For example, Nov 23, it say says that it's about some curves and gradients.... but in fact, you need solve a usual diff equation. And, definitely, you should be good at key concepts. No specific material required. You may just practice.

@@mathsphysicstutor6543 Ahh right. I mostly get confused in the later parts, but this time I wasn't able to properly understand the first few questions, the ones where the rest of the paper is dependant on, hence impacting it entirely. So I suppose I need to brush up the basic concepts + learning how to apply them. Well, May sessions exams start in a month, I better start my prep seriously. Thanks for you advice!

@@sarthakahuja5046 Good luck!

ok