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Recent content by mariacosta

  1. M

    Maths P3 9709 32?

    Yeah it was definitely an easy paper!! I remember that my x coordinate=2, the integration question with trig I got ln(3/2) or maybe 2/3 I can't remember for sure... Stationary points I was only able to find (1,-2) The last vector question was a bit weird, I couldn't find d, but I managed to do...
  2. M

    CAIE February/March Papers released!

    Yes I did!! Thanks
  3. M

    Mechanics 52 A Level

    Same Connie :notworthy: (amo estes weird emojis) I found it extremely hard, especially compared to F/M 2018... Any guess on the grade boundaries for an A?
  4. M

    CAIE February/March Papers released!

    Could you please also share Maths p52? Thanks!
  5. M

    How did PHYSICS P21 go?

    ~ I wrote away because the frequecy observed was lower than the actual frequency of the wave...
  6. M

    How did PHYSICS P21 go?

    That wasn't in mine either, lucky my physics teacher explained that and I think I've seen a few past papers with that questions.. I think it was kgm-1s-2
  7. M

    How did PHYSICS P21 go?

    Yeah those were tricky.. For the first part I basically said that the res. F=O vertically so the W+Tvertically=the upwards force and got 1050N In the second you had already calculated the acceleration before so you knew what the resultant force was, and then you'd equal it to Thorizontally-R...
  8. M

    How did PHYSICS P21 go?

    i think it went quite well overall, the last question of electricity where they put a cell in parallel really confused me though.. for the quark one you had to say that protons have a structure of uud, u=2/3e e and d=1/3e so proton=2/3e+2/3e-1/3e=1e and then do the same for neutron which is udd=0
  9. M

    How was Mathematics 9709/12 ?

    oh so in the volume question i forgot to square the 4 (only squared the x), the volume i got under the curve was 5pi instead of 12pi. the volume under the line i found correctly. any aprox. idea on how many marks i'll lose?
  10. M

    How was Mathematics 9709/12 ?

    you had to find what was the factor that related the two vectors, in terms of j you didn't have either a p or a q so if you did 4j/2j=2 then you'd just equal AB to 2OC (i think those were the vectors), find p and then find q i think i got p=5/2 and then q i don't remember
  11. M

    How was Mathematics 9709/12 ?

    i think i got 2pi.. got stuck on that one for most of the exam
  12. M

    How was Mathematics 9709/12 ?

    couldn't prove the trig identity as always... but the rest was okay, what did you get for the volume between the curve and the line?
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