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  1. sma786

    Physics: Post your doubts here!

    i
  2. sma786

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_21.pdf Question 3, c(i) why did they take x = 15 ? shouldnt it be 35?
  3. sma786

    Physics: Post your doubts here!

    got it! :)
  4. sma786

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_21.pdf Question 3, b(i), why would the speed be max when the y=0 on the graph because the speed is 0 then if we use the formula s=d/t and it is max only when the t=0.4, thats when the...
  5. sma786

    Physics: Post your doubts here!

    lol thankss, i got it already :oops: they took 19 because thats the velocity when the ball was hitting the ground
  6. sma786

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s12_qp_21.pdf Question 1, b(i) why did they add to velocity 19 ? ok i got it, no comments ^
  7. sma786

    Physics: Post your doubts here!

    thanks, got it (y)
  8. sma786

    Physics: Post your doubts here!

    in some notes i have
  9. sma786

    Physics: Post your doubts here!

    The nature of an alpha particle is 2p+2n, what does this mean?!
  10. sma786

    Attendance Register

    I'm bored right now :cautious: What do i do? o_O
  11. sma786

    Physics: Post your doubts here!

    Its in the syllabus
  12. sma786

    Mathematics: Post your doubts here!

    Express 8x−x^2 in the form a− (x+b)^2 Help pleasE? :p
  13. sma786

    Mathematics: Post your doubts here!

    yeah i thought so, but the markscheme says sin :ROFLMAO:
  14. sma786

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s03_qp_1.pdf What sin formula did they use in Q9 part iii ?!
  15. sma786

    Mathematics: Post your doubts here!

    i dint get your formula :cry:
  16. sma786

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s03_qp_1.pdf Ok so in question 1, the markscheme says they take the 4th term, why? (1/x) comes when 5C1 ryt, thats where there comes (1/x) so why the 4th term?!
  17. sma786

    Mathematics: Post your doubts here!

    Thnku*girl and a boy :P sorry for that :)
  18. sma786

    Mathematics: Post your doubts here!

    formula of unit vector? -.-
  19. sma786

    Mathematics: Post your doubts here!

    daredevil , MustafaMotani thanks boys :love:
  20. sma786

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s04_qp_1.pdf Question 4, (ii) , what is the basic rule for these types of questions?
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