Recent content by pl4smaa21

  1. pl4smaa21

    2020 Q11.d)

    Yea I didn't even consider alpha=4pi/3 ; (my mistake) probably should've tho but now i can see that works too
  2. pl4smaa21

    Permutation and Combination Help Kinda Desperate (I have my test at 1)

    I tried to do it but kinda gave up on it and this was the idea I had: Calculate number of unrestricted selections = 8!/((2!)^4) 2. Determine number of invalid cases, by cases CASE 1: 4 violations - By 4 violations I mean that all four shirt styles are adjacent - Symbolically imagine if the 4...
  3. pl4smaa21

    Permutation and Combination Help Kinda Desperate (I have my test at 1)

    but they do appear in enrichment questions in the math ext 1 Cambridge textbooks soooo maybe schools try to "over-prepare" students by making them do stuff beyond what's expected so they have greater ease in what is expected --> pretty gud marks I actually saw this somewhere idk if this was...
  4. pl4smaa21

    Permutation and Combination Help Kinda Desperate (I have my test at 1)

    No I don't think so it doesn't appear here
  5. pl4smaa21

    2020 Q11.d)

    I tried to explain it, though I am unsure of the validity of this explanation because I am only a yr 11 student but this does feel logical. Basically what I'm saying is that whilst from squaring and applying the pythagorean theorem we obtain the following equation for A: A^2 = 12 it's not the...
  6. pl4smaa21

    Permutation and Combination Help Kinda Desperate (I have my test at 1)

    I tried to do this with Ai and I get this: is this ai fking stupid
  7. pl4smaa21

    Hey Shavi, long time no see I just haven't been on BOS for a while becuz of all the things that...

    Hey Shavi, long time no see I just haven't been on BOS for a while becuz of all the things that came up when the year started to pick up the pace. I've just been a bit busy with other things I guess. Also progressing to year 11 feels like getting thrown in the deep-end with...
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  8. pl4smaa21

    Ask questions relating to Year 11 Physics

    yea this def aint popping up in any exams or anything that's why I posted it here as a 'challenge' becuz you probably never came across it since you never really had a reason to also I'm pretty sure you don't need to use full-blown integration when the area is a triangle its kinda overkill lol...
  9. pl4smaa21

    Ask questions relating to Year 11 Physics

    hmm very nice, you got it correct under the interpretation that it accelerated from rest to 100 km/h and drove at constant speed until decelerating to rest again. However, this isn't the interpretation that was taken by the source of this question and honestly I don't blame you for...
  10. pl4smaa21

    Ask questions relating to Year 11 Physics

    This problem is a bit challenging, or at least I found it challenging ig (my dumbass couldn't figure it out) but the pre-req. knowledge is module 1 v-t graphs and SUVAT so no forces or anything fancy but it is a bit tricky. gl!
  11. pl4smaa21

    2026 HSC CHAT

    I guess for (b) one would figure to use the formula twice becuz there's two objects of interest that are in motion, the bus and anna
  12. pl4smaa21

    2026 HSC CHAT

    @jane1820 happy bday
  13. pl4smaa21

    2026 HSC CHAT

    addition is actually the easiest topic, you must be stupid 😏
  14. pl4smaa21

    Old physics syllabus

    here's the PDF (https://arc.nesa.nsw.edu.au/standards-packs/SP01_15330/files/support_documentation/physics_syl.pdf) : ) also if you want the old syllabus for some other subject type in "Assessment Resource centre *insert sub here* pdf" into google and that should do it I'm doing physics but...
  15. pl4smaa21

    2026 HSC CHAT

    modern day mobile experience
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