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  1. A

    How was Mechanics Paper 42!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    what around 8? do u mean that I will loose 8 marks altogether or in q.7?
  2. A

    How was Mechanics Paper 42!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    here are the answeres to what I got Ans.1 coefficient of friction=0.8; a=2.55ms^-2 Ans.2 workdone against resistance=750J Ans.3 tension in AP was 13 and in PB was 20 Ans.4 S=13m; v=5.66; S/2 and s at T/2 were both 3.25 Ans.5. P=20, v=3.33 Ans.6 attempted only parts i and ii which are simple left...
  3. A

    How was Mechanics Paper 42!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    I also appeared for May/June 2012 last year and you are right the paper was damn hard, question 5 and 7 were extremely tough, and that was why the GT was 31, and primarily the reason why I got B in mechanics, however although this paper is tough the Gt would still be 35-37 I reckon, cux so far I...
  4. A

    Paper 5 Tips !! :)

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20%289701%29/9701_w12_ms_53.pdf how to calculate the calculated density of the solution in question 3 part (a)
  5. A

    AFTER 24 hr .. P1 discussion here !

    it was an extremely foolish mistake, though we were given the square i forgot the fact and went on to calculate the lenght of BC by using cosine rule but I didnt used the correct formula. Instead of using a^2= b^2 + c^2 -2bccosA i used a^2= b^2 + c^2 -bccosA I forgot the 2 in the formula and...
  6. A

    AFTER 24 hr .. P1 discussion here !

    my expectation was 74 because of that function mistake, now i have spotted 2 mark further mistake, in the perimeter of the circular measure. disappointment ;(
  7. A

    AFTER 24 hr .. P1 discussion here !

    it is not -2.5<=x<=0 it is -2.5<=x<0. X cannot be zero anyways i did it wrong :P by omitting the zero inequality
  8. A

    AFTER 24 hr .. P1 discussion here !

    almost every1 in my centre wrote that except for only one of my big nerd fellow :P
  9. A

    AFTER 24 hr .. P1 discussion here !

    do you remember how much marks did that question carried?
  10. A

    AFTER 24 hr .. P1 discussion here !

    you mite get 1 mark for getting the basic angle correct
  11. A

    AFTER 24 hr .. P1 discussion here !

    what was the perimeter in 4 part (ii)? thanks in advance
  12. A

    AFTER 24 hr .. P1 discussion here !

    Dude I am not sure whether I am right but I guess the perimeter in 4 (ii) was 23.4 in my case, one of my friends told me that it was 20 as well, how did u got 20 can u plx explain
  13. A

    AFTER 24 hr .. P1 discussion here !

    I guess the GT will be like 57-58 cux the paper was hard for many I dont have any concerns with Gt the only concern I have is to get the A* in accel maths
  14. A

    AFTER 24 hr .. P1 discussion here !

    yes it was tan^-1(-7) , so the basic angle was 89.1, since tan is negative in 2nd and fouth quadrants, therefore subtracting 89.1 from 180 and 360 to get the angles, 98.1 and 278.1
  15. A

    AFTER 24 hr .. P1 discussion here !

    Exactly zero was not the domain of f^-1(x) thats why it was 0<x<=-2.5 rather than 0<=x<=-2.5 I am disappointed for doing such a foolish mistake by by forgetting that 0 inequality and writing instead x<=-2.5.
  16. A

    AFTER 24 hr .. P1 discussion here !

    I got it p=-6 and q=6
  17. A

    AFTER 24 hr .. P1 discussion here !

    your anser no. 2 part (ii) is incorrect, and the trig. angles are incorrect I guess the angles were 98.1 and 278.1 in my case
  18. A

    AFTER 24 hr .. P1 discussion here !

    insha ALLAH. I really did messed up that coefficient of x^2 question part (ii) corrected it just at the last half a minute or even less, and in the process of hurrying did a lot of scribbling, I hope the examiner understands the answer 40. Itmite lead to a 1 mark deduction as well
  19. A

    AFTER 24 hr .. P1 discussion here !

    did that domain of F^-1(x) incorrect one of my friends quoted that it was 0<x<=2.5 whereas I wrote it as x<=2.5
  20. A

    AFTER 24 hr .. P1 discussion here !

    the K values are for the geometric progression, q10 m and P values are for q3 area is for q11 part (ii)
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