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Recent content by Sakib

  1. S

    Physics: Post your doubts here!

    Hey Guys, I got a problem. It is M/J 10, paper 42, Q-4,c. Can Somebody explain it to me???
  2. S

    Further Mathematics: Post your doubts here!

    Guys, I need help! What is the degrees of freedom for chi-squared test?? (during the goodness of fit tests) CIE themselves are confused!! In O/N 2012 they took it as (n-2) (in the mark scheme) but in M/J 2013 they took it as (n-1)! What should I take??
  3. S

    Further Mathematics: Post your doubts here!

    Oh! It will be high! Damn high! Like the recent years probably! My guess 85 for an A. Paper was super easy!
  4. S

    Further Mathematics: Post your doubts here!

    To everyone who has given the Further math exam (9231/12) How was it??? I gave probably the most terrific exam!! Really happy!! What about you guys??
  5. S

    Further Mathematics: Post your doubts here!

    C.F. is e^(-1.5t) (Acos 2t + Bsin 2t) where A and B are dependent on the initial conditions of y. So R=sqr. root(A^2+B^2)
  6. S

    Further Mathematics: Post your doubts here!

    Is there anyone sitting for the Further Maths exam this session?? I am! Wish me luck guys! Hannahang, all your queries are from paper 2 while my exam tomorrow is on paper 1, so sorry can't answer them now. Only the O/N 2003 question is from paper 1 (you made a typo and wrote that p-2 as well)...
  7. S

    How was Chemistry/12 ?

    I think 50 for paper 2, 31 for paper 3 and 32 for paper 1 as all the 3 papers were extremely easy. And to everyone fighting about physics can we not bring up the nightmare again. I have had my share in the exam and want to rejoice the excellent Chem paper rather than talking about the dreadful...
  8. S

    A level Further Mathematics (9231)

    R you talking about Further Mathematics exam only? Then for your information the exam has only one qualification. Further Mathematics consists of 2 papers only. P-1(Pure Maths) and P-2 (Mechanics and Statistics). You need to sit for both the papers in one session in order to qualify in the...
  9. S

    Further Mathematics: Post your doubts here!

    For Pure Maths- 1)Further Pure Mathematics- Gaulter and Gaulter 2)Further Pure Mathematics- Bostock and Chandler. For Mechanics- 1)Further Mechanics- Jefferson and Beadsworth 2)Introducing Mechanics- Jefferson and Beadsworth 3)Mathematics-Mechanics and Probability- Bostock and Chandler For...
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    threshold for Biology paper 22

    I was a stupid A** in the xm. There was Q-6 on the backside and I callously did not turn the page around. So I left Q-6 empty. Otherwise the xm was average. Dont you think gt should be around 45?
  11. S

    AS Biology P1 MCQs Preparation Thread

    w 11/paper 11/ Q-6,14,30, 34,40. Somebody help me!
  12. S

    What will be my grades if I get the following?

    BIO-A CHEM-A/B PHY-A* MATH-A That's what I think.
  13. S

    Further Mathematics: Post your doubts here!

    Are We allowed to take Graphic Calculator in the Further Mathematics Examination?
  14. S

    Further Mathematics: Post your doubts here!

    v=l sin@, means, v is expressed in terms of @. So, dv/dt has to be calculated by chain rule(O level differentiation). dv/dt=(dv/d@)*(d@/dt). What you calculated is dv/d@. d@/dt is sin@, as given in the question.So, dv/dt=l cos@ sin @. Hope that answers it. About that trust thing, that's one...
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    Further Mathematics: Post your doubts here!

    It surely will, but is d^2@/dt^2 accelaration? In the question d@/dt is given which is angular velocity. Using v=wr, where w=angular velocity, find the velocity(l sin@). Then find the tangential(dv/dt) and radial component(v^2/l) of acceleration and pythagoras yields the resultant acceleration...
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