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  1. twilight1412

    Electrical Circuits

    umm alcalder arent you goin a bit too far? your starting to talk about semicondutors ><
  2. twilight1412

    Mathematics

    4U math doesnt seem so bad atm but i hear it gets alot harder after the first internal assessment as complex numbers,intergration and curve sketching is considered basic and simple.....
  3. twilight1412

    What marks are you seeking to achieve in 2007?

    well i hope to get around 95 UNSW FTW but with my english marks ..... im totally fine with everything else though
  4. twilight1412

    About you

    well .... dno bout being an alcoholic but ppl say i always look drunk/wasted anyways im antony go to penrith lazy bum loves dota ba doesnt work atm dota deprived just got comps back from repair shop watching maburaho have chem assessment tomorrow
  5. twilight1412

    validty, realibilty

    oooo i know an easier way to remember >< validity = if you measured what you thought you were measuring reliability = the repeatability of the experiments
  6. twilight1412

    object in air

    the answer to this question really depends from which direction the force is applied from in the case of the back spin if the force is applied from the bottom and in such a way as to further increase the spin of the ball then it will go higher same thing applies to the topspin
  7. twilight1412

    Ohms Law Shortcut

    this forumla is the basis for alot of question in circuits .... its easy to remember but if you find that you cant then you can always look at the formula sheet they give you ^^
  8. twilight1412

    Coulombs

    wth >< the coloumb is the measure of charge in an object usually an electron or proton its like how a metre is a measure for distance for future reference the charge on an electron/proton is 1.6x10^-19C 0.00000000000000000016C which isnt that big note that it is postive for protons and...
  9. twilight1412

    Electrical Circuits

    this is how it works until you reach uni the only thing you are concerned about is the conventional current which is positive to negative yet we know this is not true because you get electrocuted when youo stick your finger into the negative terminal of a dc power pack (dont try at home) dc...
  10. twilight1412

    how i do this?

    well your equation is worng and i'll try explaing it a different way he asked hexane not hexene >< C6H14(aq) + Br (aq) ---> C6H8Br6 (aq) + Br (aq) they react because its much easier for the H atoms to just break off and form a H2 to gain noble gas configuration and the Br in the water just...
  11. twilight1412

    Class of 2007: Roll Call

    quanta to quarks for me ..... my teacher just loves choosing the harder ones .....
  12. twilight1412

    Suggest a Course

    hahaha i hate the courses as they are >< all the math base ones have been dumbed down to the point where you can breeze through it with the exception of 4U math engineering used to be strictly exercises but now the government has made it such the we must learn the history behind everything...
  13. twilight1412

    What do you think you're going to get in SC?

    well if you think about it they give you plenty of time so i donno if they should scale >< everyone had plenty of time left over at my skool 30mins minimum
  14. twilight1412

    Centripetal Force

    actually erday 8:30 PM idling fire although i hate to correct you after your great explanation you are wrong in one respect only the instantaneous acceleration points towards the center so the closer the points are it will approach the center but will only point to the center if its...
  15. twilight1412

    Projectile Motion-help

    well in yr 11 you learnt in physics that the derivative or displacement is velocity derivative of velocity is acceleration >< so you go from there i have also yet to learn both methods ^^ my skools doing motors and generators first for some reason @_@
  16. twilight1412

    Few Questions!

    i cant answer your first question but your mole question i can remember its always a ratio so N = m/mm n = number of moles m = mass mm = molecular mass all in grams note: if it is O2 then use the molecular mass for O2 not O n = v/stpv n = number of moles v = volume stpv = number of volume...
  17. twilight1412

    What electives do/did you do in yrs9/10?

    Year 9 commerce tech drawing computors Year 10 tech drawing elective pe computors
  18. twilight1412

    Turns And Flux Plz Help!!!!!!!!!!!!!

    you should state what you need it for ... motors and generators t = naib sin(angle) where t = torque n = number of turns a = current b = magnetic flux density sin(angle) = angle between the radius and the force
  19. twilight1412

    Revising subject choices... help

    *high five* ^^ i heard they were counting grass >< that totally put me off bio frend says i shouldnt dis it till i experience it .. so i walked into one of the classes for 5 mins before leaving and rejoining my chem party ^^ woot
  20. twilight1412

    Question

    well i dont want to remember anything >< too long ago
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