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  1. Z

    UAC and changing preferences

    is it possible to still change ur preferences after the closing date if you've already applied? if so, how much does it cost?
  2. Z

    2u Mathematics Marathon v1.0

    lol wat r u talking about? prove it :P
  3. Z

    Please HELP!!!

    when add a non-volatile impurity, it is usually something in the form of a solid or liquid and will create bonds with the molecule already present in the mixture to be added. The new bonds can either be stronger or weaker, depending on the size of the new molecules and the type of bonding. In...
  4. Z

    need help

    well if ur differentiating in the first part... im guessing that in the second part you might have to use the second derivative... im trying to get something going based on the fact that its a stationary maximum .: h'(x)<0 and also h"(x)<0 .: h'(x)<h"(x) and then putting x=pi... EDIT...
  5. Z

    2u Mathematics Marathon v1.0

    Show that 1-1=0 Hence, give the result of 0/0 and explain why.
  6. Z

    A question on equilibrium constant

    By using the initial equation... 2SO2 + O2 --> 2SO3 aswell as the initial figures... n(SO2)initial= 2 mol n(O2)initial= 2 mol n(SO2)final= 0.150 mol Volume of container = 1.00 L Step 1 ------------------- If only 0.150 moles of SO2 remained at equilibrium when 2 moles were...
  7. Z

    2u Mathematics Marathon v1.0

    no... prove it
  8. Z

    option topics

    unless ur planning to cop a tonne of detentions and N awards for not doing homework/assignments for the medical physics component then i suggest you stick with it and not go off and do your own thing.
  9. Z

    A question about inertia.

    Inertia is a force that can be represented mathematically by F=ma .: the inertia of an object can be described in terms of its motion or its mass If an objects motion is constant or zero then its acceleration is zero so it has no external force acting upon it and is experiencing intertia...
  10. Z

    2u Mathematics Marathon v1.0

    Prove: 1+1=2
  11. Z

    a trig question

    are you sure its a/sinA = b/sinA and not a/sinA = b/sinB?
  12. Z

    shuold i?

    :O don't say that! maths is goooooooooooooood stuff :)
  13. Z

    Number of students in each course?

    Bookie, the number of applicants accepted into the USyd courses can be found in the ungraduate booklets for each faculty. I have the science one if you need a specific course.
  14. Z

    Inequalities.......

    Can anyone offer any advice? is there any kind of pattern to them or should i jst do it through trial and error?
  15. Z

    New Senior Mathematics (Fitzpatrick) - 24(c), question 19

    Equation of Parabola -------> x2=4ay To find the gradient of any point on the parabola you have to find the derivate .: dy/dx = mt = x/2a Normal at P(2at, at2) ------------------------------------------ The normal's gradient is given by mn=-1/mt .: at point P the gradient of the normal is -1/t...
  16. Z

    USYD vs UNSW

    USyd bitches
  17. Z

    Mathematics student research projects @ Uni

    yeah there's the TSP which is for students who get 99 UAI or get some sort of equivalent mark in their second year of uni. I think it involves you working closely with the staff to research ur own topic or something and then you have to present that to your class and you get cred for it.
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    Say i dont get the UAI

    HELLO HELLO STOP WITH THE DEFEATIST ATTITUDE!!!!! You still have like 50% of your HSC to go and if you kill that you will boost your assessment marks and might be able to achieve the UAI you want... you do realise that right?
  19. Z

    Steve Irwin dead

    WTF OMFG STUPID FEMINISTS!!!!! gosh that germaine greer biatch has some bloody issues... too much sad in her vagina.... how retarded do you have to be to come on an a current affairs program and bag out some guy thats jst died
  20. Z

    Elementary Particle Dynamics

    Hey guys, can you help me with this question... The combined air and road resistance of a car in motion is proportional to v2, where v is its speed. When the engine is disengaged the car moves down an incline making an angle of sin-1(1/30) with the horizontal, with a velocity of 30 m/s. Find...
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