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  1. C

    Maths Ext 1 - General thoughts on the exam

    go to hell faggot.
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    Length contraction???

    aha you fucking dumbass... the electron isn't witnessing its own length contract... i love how your so cocky about your wrong answerr, it just makes you look like more of a tool... lo = 0.3.. why would the legnth in the reference frame of the scientists contract when they're not moving?
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    Questions i didnt know

    what's with you people?? 0 kelvin is the lowest temperature possible in the Universie, anything below this and volume theoretically contract to negative quantities
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    Help Me Qucik!!!!!

    uuhh what the hell is a lepton?? im pretty sure nowhere its not mentioned anywhere in the syllabus for the core topics.. AND for that question i somehow dont think you ahve to talk about leptons and quarks... its to do with the potential use of superconductors.. so power transmission; motors and...
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    Is copper a superconductor?

    dude think about what you just said.. what the hell is -50 degrees kelvin?? but in other news.. i think the correct answer would've described the fact that at reduced temps, there are fewer lattice vibrations, therefore impedence to electron flow is minimised and thus magnetic field produced...
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    question 16 ?

    gravitational potential energy approaches 0 as you approach inifity.. therefore in thsi question gravitational potential energy must increase in the sense that it become more positive, but in terms of magnitude.. it should be less then 1MJ I think we had to use ratios and recognise that in...
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    The projectile motion question

    thats exactly what i got.. rock on
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    Distance between the rods??? It changes!

    the mass doesnt change... the weight force does due to the increased current flowing throwing the lower rod.. increase in current = increase in attractive force towards the upper rod thereby counteracting the downward force (of gravity) acting on the scale and thus reudcing its apparent weight...
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    Length contraction???

    haha it definitely had to be greater than the the length as observed by the electrons.. and im fairly certain its 0.3. haha whoever said something about the discharge tubes not moving near the speed of light ..wtf?? lol
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    UAI freak out

    haha oh god tell me about it! i go to a selective school and its particularly cutting when i type in my raw marks into SAM... my school marks craazy hard with some of their subjects..i've like come first with raw marks of 88% in chem and 90% in PE.. this confuses me when i use SAM because i...
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    No Math= No Physics And Chem?

    then why don't you just do 2unit maths? i think thats the problem with physics these days.. they've taken so much of the difficult maths out so people that don't do maths or do general maths can still do it
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    Rank your subjects

    Most Enjoyable - physics - maths ext. - maths - chem - pe - eng ext. - eng adv Goodness - pe (comin first ohh yeah!) - 2u maths - chem - ext. maths - phys - eng ext. - eng edv. (worst subject ever)
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    Who's goin for a Premier's Award?

    yeah bloody english..i'm one bloody unit off a premiers award...i'm doing 12 units but it doesn't seem like i'll be pulling a band six and english or ext. english... hey what uai do you reckon you could get with say low 90's in subjects liket chem, ext maths, 2u maths, pe and phys
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    What UAI did you get?

    woah well done you beast, i'm hoping for around 98 aswell, but my first round assessments didn't go too well, i panicked..
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