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    Are you truly satisfied?

    im satisfied with my UAI (94.80) but not my marks, i really thought id get a band 6 in chem and phys but didnt get either, I came close though, also dissapointed with my EngAdv marks cause i worked really hard to try and get into band 5 but just fell short in that too, however my 4 unit maths i...
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    General Thoughts: Mathematics Extension 2

    Re: What did you think? easily the hardest paper ive ever done, so much for getting easier since 2003, im quite depressed after that one
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    Projectile motion clarification

    ahhhhh, that makes sense, it has been bugging me for a while now speedy reply too thanks heaps
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    Who's failing the external Maths Ext 2 exam?

    the way my maths teacher puts it is, if your doing 4 unit your already in the top 10% of the state, and this exam simply separates the top 10%, so its supposed to be really hard, and it moderates and scales well because it is a course aimed at the top 10%
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    Projectile motion clarification

    this is from a question in the 2001 3U maths exam, question 4, b(linky) what i wanted to know was why you use the angle on the ground as 135, and not 45, like when you use 45 you get a negative time, so its obviously wrong, but i just wanted to know why you would use 135 instead (and not...
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    Needs help with a volume question

    actually, i made a mistake, and i also got 6pi^2
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    Needs help with a volume question

    did anyone actually finish this problem? i got 6pi^2 + 4pi units cubed i did it by shells cause when i tried by slices i really didnt want to work out the 2 different radii of the anulus that forms the slice
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    Building a DC motor.

    it wont work if your comutator is simply the wires, you will need to use the sheets unless you have the wires that are braided copper then you might be able to spread it out, (but why would you be using braided copper wire for your windings?) so to make it short no just using 2 pieces of wire...
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    Radial Magnetic Fields - homemade?

    you can use several normal magnets ie. not radial and arange them in a circular fashion around your rotor, (its most likely going to be a hexagon or octagon) and i guess you could make lots of electromagnets and arange them in a circle too also note that you dont need an alternating current in...
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    Class of '08 Roll Call

    well im doing 4 unit we are using cambridge 4 unit, i myself have picked up the excel 4 unit book i find most of complex numbers easy but there are just little bits that i just cant do, which feels weird after how all the other maths has been, my maths teacher is always telling us that the...
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    How'd everyone go in their prelims?

    Got the results back few weeks ago, but only joined this site now (percentage is of final exam)(ranking includes other assesments) Maths 2 unit: 93% (rank 5) Maths ext 1: 76% (rank 1) English Advanced: 76% (rank 3) Physics: 91% (rank 3) Chemistry: 86% (rank 1) Biology: 89% (rank 1) Studies of...
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