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  1. W

    ATAR Estimate Please... :(

    I'll have to disagree with you Aysce. From what is told, OP school ranking is around 30-50 (top 100). Usually the calibre of students within the cohort are above average or at least decent (dragging each other up, etc.) Also considering the relatively high scaling subjects OP's doing (MX1 &...
  2. W

    Post your 2011 University Offers here

    B Optometry/B Science @ UNSW - not my 1st pref though... will be waiting for the 2nd rounds
  3. W

    medentry group disc

    I'm interested. Email me chess.1337@hotmail.com
  4. W

    Biology or Physics for HSC?

    As the saying goes, 'physics is phun'.
  5. W

    Can you DEFER 2 courses?

    Your best bet is to call them up and explain your situation.
  6. W

    Bonus points.

    Can you show me your sources? (websites, pdf documents) Sorry for being harsh but I'm just paranoid atm.
  7. W

    Bonus points.

    Does bonus points (such as EAS and HSC PLUS) still apply for EARLY FEBRUARY ROUND and FINAL ROUND for UNSW?
  8. W

    General Thoughts: Mathematics Ext 2

    sorry for double post.
  9. W

    General question, ranks

    It depends on your school's ranking. eg. 4/15 in a high ranking school (James Ruse) is much better than 4/15 in a low ranking school.
  10. W

    Mechanics Clarification

    All forces are in the form F = ma. Since they stated the "acceleration" of the resistance which is kv^2, the Net Force would be: Fnet = force of gravity - force of resistance = mg - m.kv^2 Therefore, ma = mg - mkv^2
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    Australian Maths Competition

    Re: Westpac Maths Comp marathon Is it E) ?
  12. W

    SIGH! Probability Question.

    Six men and five women are arranged at random in a row so that each woman is between two men. i) how many such arrangements are possible? ii) what is the probability that two specified men, C and D, sit at the ends of the row? PLEASES show working out, i want to improve on this...
  13. W

    Heisenberg Uncertainty Principle equation.

    I have seen in some textbooks such as Jacaranda that the equation for uncertainty is (delta)x.(delta)p = h/2pi. However, some other sources such as Wikipedia - Uncertainty principle - Wikipedia, the free encyclopedia, says that (delta)x.(delta)p = h/4pi [NOTE: h with a bar is h/2pi]...
  14. W

    Log integration ~

    Divide the numerator individually, ie. (x^2 - 1) / x = x - (1 / x) Now integrate that instead, /4 | | x - (1/x) dx = [ (x^2)/2 - ln x ] -> then sub in the borders for your answer. |...
  15. W

    Trigonometry PROBLEM!

    This question 'popped' out while i was learning how to change sum into products. There seem to be no identities to this question. Expressed this term in products. 1) sina - cosb Need help on this question. Show the working out please :)
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