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    Wireless Rouers

    I need to buy a new wireless router, just want to hear your thoughts on the different brands. Main areas of importance are range and connection reliability. In the past I've used D-Link, which have been average, had a fair amount of trouble with connections dropping out etc.
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    Something keeps blocking access to the net

    I've been having this problem where something is blocking all program's access to the net. I ran my virus scanner (Avast free) a few days ago and i said I had a trojan horse, which I immediately deleted to virus chest. However I'm still having the problem of the net being blocked. In my...
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    external HD making funny noises

    I've had the drive (WD My Book 320 GB) for about 3 years. Recently, when I turn my PC on, it spins up, makes a few loud clicking noises and then spins down, does this several times while windows is booting. It also sometimes does it while im using the computer, but not accessing files on the...
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    Battery life of electronics

    For electronics like iPods and phones, I've always been of the belief you should wait till the battery is flat before charging, and then charge fully, otherwise the life of the battery gets shorter over time (I know this does happen anyway, but isnt it worse if you dont charge it properly?). I...
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    anyone know a good avi video player?

    I was using "AVI Movie Player" which played all my videos fine. Recently I reformatted my computer and reinstalled Windows XP. I installed AVI Movie player again, but now it wont play some of my avi videos (plays the sound, but freezes on the 1st frame of the video). Does anyone know of a good...
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    complex roots, general solutions

    hey guys, i got this question from a uni assignment on complex numbers, and i cant remember how to find complex roots in polar form. OK I get
  7. V

    Circle Geometry

    Hi all, a friend asked me to help her with some circle geo questions, i was able able to do some, but not all. Appreciate some help with these. 1. a) calculate the distance of the chord of length 24cm from the centre of a circle of radius 13cm- Done, answer = 5 b) the length of the tangents...
  8. V

    help, transport concession card

    I went to get mine during enrolment, and they didnt have the 2009 cards available, said to come back another time. Went to get it today, and its gone...is there a way i can get it?
  9. V

    having trouble with eStudent

    I am trying to access my Statement of outstanding Fees, and havent been able to do so. When I click the link in Firefox, nothing really happens, and i suspect its the popup blocker (it says to hold ctrl if the window doesnt show, tried this, and a new tab loads, but is blank). Then I tried in...
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    Timetable advice

    When constructing my timetable, is it a good idea to try and cram things together as much as possible, so i can leave early, or is it good to have breaks in between lectures/tutorials for food/ going to lubrary etc? tell me what you think Thanks
  11. V

    HSC Mathematics marks

    feel free to share your marks here: i got: Maths ext 1 95 Maths ext 2 91 so happy
  12. V

    If they ask about the production of polyethylene

    Do we talk about the older gas phase process (LDPE) or the Zeigler Natta process (HDPE)? I have seen a question about this, but success one didnt talk specifically about either, just how an initiator activavates an ethylene molecule and other molecules join onto this. But the conditions are...
  13. V

    help with a question

    A 2 watt laser beam is emitting light of wavelength 600 nm. Find the no. of photons emitted per minute. ANS: 6 x 1018 I dont remember how to do these power calculations, help appreciated
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    Band 6 Cut-off (raw)

    What approximate raw mark in the external would get you a band 6 in physics? btw sorry if there is already a thread on this topic, i did try searching, but founbd nothing
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    use of abbreviations etc in the hsc?

    Is it OK to use abbreviations in written responses such as: -3 dots for therefore and because -temp. for temperature -MF for magnetic field -up and down arrows for increase and decrease -EM for electromagnetic -acc. for acceleration etc in the HSC physics exam. Sorry if these seem weird, but...
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    complex Q

    R is a positive real number and z1 , z2 are complex numbers. Show that the points on the Argand diagram which represent respectively the numbers z1 , z2 , (z1 - iRz2)/(1 - iR) form the vertices of a right angled triangle.
  17. V

    Can someone please explain this solution

    2003 HSC Q8a)Suppose that w^3 = 1 and w=/ 1 and k is a positive integer (i)Find the 2 possible values of 1 + w^k + w^(2k) I don't understand in the solution where it says let k = 3m + r and r = 0, 1 or 2 (that is r = kmod3) What does kmod 3 mean? If someone could please expalin this, it'd be...
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    Projectile Motion with air resistance

    There was a question in the 2003 HSC on this, ad it spun me out a bit. (b) A particle of mass m is thrown from the top, O, of a very tall building with an initial velocity u at an angle α to the horizontal. The particle experiences the effect of gravity, and a resistance proportional to its...
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    2008 Independent Trial

    here is the paper
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    An Inequality

    If a,b are positive, unequal numbers, prove that a<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="ProgId" content="Word.Document"><meta name="Generator" content="Microsoft Word 11"><meta name="Originator" content="Microsoft Word 11"><link rel="File-List"...
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