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  1. yanujw

    emf

    When you explained your working did you mean dash as in derivative? If so, you have the right theory but remember that emf is opposite to the direction of change in flux, as represented by the flux formula. Therefore it is A, which you will notice is the negative of C.
  2. yanujw

    complex number euler form modulus question

    The most prominent method is to let e^{i\theta}=cos(\theta) + isin(\theta). Then use the fact that |x+iy| = \sqrt{x^2+y^2} The locus of z itself is an ellipse which would have been helpful in the old syllabus. However, there is still a geometric way to find the maximum value. Recall that...
  3. yanujw

    What would be the best way to self learn the hsc physics course/concepts?

    Lol I forgot about that. Well I guess you guys know what i mean anyways.
  4. yanujw

    What would be the best way to self learn the hsc physics course/concepts?

    My method was as follows: Open up the ********* book, the pearson textbook (or jacaranda/in focus) and a physical notepad. When you come to a new section of a topic, read the ********* book first as a 'pre reading' exercise to orient you with the topic. Then read through the pearson textbook...
  5. yanujw

    Unable to view sources within past HSC history Exams

    Try searching for the names of the sources and finding out the information. I tried the link in source D and I believe that source might be the table on page 12 of this pdf https://historymuseum.kennesaw.edu/docs/how-would-you-vote.pdf
  6. yanujw

    Eco stats for HSC

    Yes to both
  7. yanujw

    Yr 11 Math advanced - factorising

    (x+y)(x-y) + 2(x-y) = (x+y+2)(x-y)
  8. yanujw

    Cambridge Ext 1 Dilations Q

    I would interpret it as a reflection in the y-axis. It's not undefined you just need to consider the new domain.
  9. yanujw

    Should I study stuff outside of syllabus for Mathematics Extension 2?

    Contrary to the opinion above, I think this is a very poor idea. The teachers should focus on covering the syllabus in greater depth rather than trying to force wider learning on students. Imagine if an english tutor made their students learn and examine books not within the prescribed texts...
  10. yanujw

    can i still get a band 6 or even 5 for english??

    Were you asking me? If so, it was 70%.
  11. yanujw

    where to find short answer q's w/answers? (for practice)

    Back in September I stumbled across Fort Street 2022 P1 which was the most useful english past paper I had ever seen. It had a specific marking criteria, advice, feedback on better responses and sample answer for each question.
  12. yanujw

    can i still get a band 6 or even 5 for english??

    In my first assessment task, a multimodal, our school decided to weigh it at 30% (higher than trials for whatever reason which was a complete dog move). I got a very low mark compared to the rest of the grade, pretty much the same situation as you, which was extremely demotivating. Throughout...
  13. yanujw

    Integration: Reduction Formula

    (1-x)^\frac{3}{2}nx^{n-1}=(1-x)\sqrt{1-x}nx^{n-1}=n\sqrt{1-x}x^{n-1}-nx^{n}\sqrt{1-x} Now you have terms involving U(n) and U(n-1) and so you can progress through the reduction formula.
  14. yanujw

    integration by substitution qn

    Let u = \sqrt{x} u^2 = x dx = 2udu 2\int{\frac{u du}{1+u}} 2(\int 1 - \frac{1}{1+u}du) And complete via standard integrals and change back to x. Determining substitutions is a skill you develop with practice. It is not always just to put the denominator as a variable, but try and imagine in...
  15. yanujw

    I need some assistance

    Click your username at the top then press 'signature'. The option may not be available for users that haven't spent enough active hours on the site.
  16. yanujw

    pen recs?

    I used pilot g2s and they were great! They actually made me excited to take notes in class, and were really efficient for exams.
  17. yanujw

    How to use [TEX][/TEX] latex format on BoS?

    I wonder who thought it would be a good idea to approve liveleak for embedded media.
  18. yanujw

    How to use [TEX][/TEX] latex format on BoS?

    If you are typing it in from scratch, I reccommend using the comment preview button as you are going in order to check that the code is being recognised correctly.
  19. yanujw

    The End of Private Schools?

    Private schools will never end. There will always be rich people that refuse to let their kids mix with the public school plebs. End of story.
  20. yanujw

    Module 5 physics questions

    Also, does the angular velocity change or is it constant at these two points and why? Where x is at a higher altitude than y Angular velocity is the same. They rotate at the same rate around Earth regardless of differences in their distance to Earth's centre.
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