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  1. undalay

    Minimum distance between two curves

    Not exactly saying you are wrong, but this method only compares both curves vertically. Where in some cases the vertical minimum may not be the absolute minimum.
  2. undalay

    DESPERATE HELP! Motors Q's.

    Burning Coal -> [chemical energy to thermal] -> Heat boils water -> [thermal energy to kinetic energy] -> Pushes turbines/producing electricity -> kinetic energy to electric energy -> ...etc etc Just a quick example.
  3. undalay

    DESPERATE HELP! Motors Q's.

    Attached file is a very rough diagram of electromagnets. I didn't draw direction of current in the coils, but u can if u want.
  4. undalay

    live action Dragonball movie

    Not enough super saiyan action.
  5. undalay

    Induction Switches????

    Not in syllabus.
  6. undalay

    I don't get this question.

    1. Generally by looking at the equation and finding roots, you can tell where the graph is positive/negative (roots are zero). You can test points around the root if you're not sure. When a function is negative it is not decreasing. Decreasing means the gradient is negative (or if you like when...
  7. undalay

    is this true / common?

    In theory you are completely correct. But some sources indicate that they are in fact just picking a number (inflating UAI cutoffs)
  8. undalay

    if discrimination applies to race,what is the word for discrimination against religon

    Re: if discrimination applies to race,what is the word for discrimination against rel "atheism"
  9. undalay

    is this true / common?

    You know I think only 40 (or thereabouts) students in all of NSW/ACT get the same UAI. I would say a comparison based on individual HSC marks is likely.
  10. undalay

    does V fuck up ur health?

    I'm just saying its possible...probably. Wanking can lead to a deficiency in nutrients which can lead to blindness. Drugs can lead schizophrenia (in fact many do). Caffeine is a drug. It is possible that the various constituents of V may have some sort of synergy that causes a harmful effect...
  11. undalay

    does V fuck up ur health?

    It's possible...probably.
  12. undalay

    Practise TechNiques for Maths Exams

    If you want to do well, you should do math throughout the year. If you do so, then studying at the last minute won't really make that much of a difference, so intensive study is not required. I find that before an exam however, it helps to do a practice paper. This will get you going...
  13. undalay

    Is 99.5+ an unrealistic aim for me?

    SC is bullcrap. I was averaging 70% in year 10 history, and then for the SC somehow I got 96. SC math content is like yr 8 stuff. But like everyone else has been saying, 99.5+ is definitely possible.
  14. undalay

    Civil Engineering at UTS or USYD/UNSW?

    All degrees require some form of industrial work experience in order for you to graduate. I know at USYD you can get 6months of work experience through a scholarship/industrial placement program.
  15. undalay

    Can I still change my timetable for 2nd semester?

    YEah you can still change semester 2 subjects. There are two separate census dates.
  16. undalay

    General Education

    go to usyd. I don't think they have that general education shit. ( or do they)
  17. undalay

    Need help with nuclear chemistry!?

    Anything within the past 50 years is reasonable.
  18. undalay

    Conics Query

    RP is the x coordinate of point P ( acos@) RX is the x axis intercept of the normal line. TP is RP - RX TPX is similar to RPY PX/PY = TP/RP For most ratio prove questions, you can incorporate similar triangles into the question. Try it next time : ) edit: Sometimes u can get away without...
  19. undalay

    Physics/Chem Question on electronic structure of atoms

    E=hf Ex N(avagadro) = h f f = h/ExN(avagadro) set E = 24.7kJ Once you have f, go look at an electromagnetic spectrum diagram or somethign.
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