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  1. ChillTime

    Which Engineering Course Are Pursuing Next Year?

    Nothing wrong with that, although there aren't many biomedical jobs in Australia so you'll just be doing that component 'for fun'. You might be better off doing single mechatronics, graduating in 4 years, and getting a 1 year head start for your career. Double degrees do very little to boost...
  2. ChillTime

    Which Engineering Course Are Pursuing Next Year?

    No problems. 1. I did mechatronics at UNSW and transfered in 3rd year to USYD to do biomedical engineering (now complete). My uni career was quite drawn out because I was working a lot too. In hindsight, it would have been better to stay in mechatronics or just stick to pure mechanical...
  3. ChillTime

    Engineering Contact Hours

    In first year, you have to do a workshop program (welding, machining, etc) at a local TAFE, my contact hours were 28 per week. That was a one off. Most semesters expect ~22 hours, and academics will recommend matching your contact hours 1:1 for personal study. You can often get away with less...
  4. ChillTime

    Which Engineering Course Are Pursuing Next Year?

    I recommend talking to engineering graduates and final years rather than speculating about demand and quality. I would recommended electrical, civil, software and mechatronics as they have comparatively more jobs. They are more "foundational". Stay away from the less common ones like biomedical...
  5. ChillTime

    UNSW vs USYD Commerce

    I recommend that you walk around the campuses of both unis before deciding. I don't think the quality of education will differ by much. USYD has more social events and a larger campus. UNSW is more compact and requires less walking. I've heard the quality of education for commerce is more...
  6. ChillTime

    Help Differentiate Please?

    When in doubt, ask Wolfram. http://www.wolframalpha.com/
  7. ChillTime

    Maximum / minimum question

    Indeed you can and it's shorter, but if this is the min/max topic, the featured method is differentiation.
  8. ChillTime

    Max/min question

    Your x intercept should be x1 = (a^2+4)/2a; y intercept should be y1 = a^2+4 Area: A = (x1)(y1)/2 = (a^2+4)*(a^2+4)/2a = 0.5*a^3 + 4a + 8*a^-1 Next you differentiate the ugly expression, and set dA/dx = 0 to find your stationary point(s) A' = 1.5*a^2 - 8*a^-2 + 4 = 0 1.5a^4 + 4a^2 -8 = 0 Let...
  9. ChillTime

    Maximum / minimum question

    Basically you want to subtract the 2 curves: AB = y1 - y2 = [(x-3)^2+7]-[x(4-x)] = 2x^2 -10x +16 (Length now varies as a function of x) Next you want to differentiate Let h = AB = 2x^2 -10x +16 dh/dx = 4x - 10 Stationary points, i.e. gradient is 0 dh/dx = 0 4x - 10 = 0 x = 2.5 Find...
  10. ChillTime

    3 + 3 HSC system ?

    Which genius thought up this idea? I can see a lot of cons: 1. You can't properly utilise the year 11/12 summer break to revise or study ahead. This break is bonus time for regular school students. 2. If you don't like a subject, you have less time to contemplate/drop/swap. 3. You are under...
  11. ChillTime

    What concepts should I study for before Year 11?

    Most of the concepts you learn will be new, but you will reuse the skills you've picked up from year 7-10 science. The course proceeds quite fast compared to junior science, so keep up. Get a tutor if you need to. Physics is the most tutored subject behind Maths and English.
  12. ChillTime

    What type of Maths is in Physics Year 11 and 12?

    HSC Physics is not very mathematical, it's really been dumbed down, it's the ideas that students have trouble wrapping their head around. On of my tuition students was doing well in general maths, and said the maths in physics was not too bad. If you're doing 2 unit maths or higher, you will...
  13. ChillTime

    Annuities help!!

    You're welcome. If you ever get an ambiguously worded question like #2, make sure you clearly state your assumptions at the start, so the marker can give you all the marks your deserve.
  14. ChillTime

    Exam tomorrow - quick concept queries

    Are a and b real constants or complex constants?
  15. ChillTime

    Annuities help!!

    2. Let n be the no. of years, An be the amount saved after n years, and M be the regular deposit amount A0 = M A1 = M*1.11 + M A5 = M*1.11^5 + ... + M A6 = M*1.11^6 + ... + M*1.11 (we won't include the last $M because in the 6th year we are withdrawing it all). = M[1.11^6 + ... +1.11] = M[a(r^n...
  16. ChillTime

    Annuities help!!

    I believe there's a formula for it, but the 'derivation method' is more robust and suits the exam style questions. 1. Let A_n denote the amount owing after n months, and M be the installments A0 = 5000 A1 = 5000*1.015 - M A2 = A1*1.015 - M = 5000*1.015^2 - M*1.015 - M We spot a pattern...
  17. ChillTime

    Complex Numbers

    This unassuming question is turning out quite interesting. Did you mean there was a discontinuity at y = 0 or Im(w) = Re(w) = 0? Because w = that huge expression in my working above. Right you are.
  18. ChillTime

    Science teacher with B Med Science?

    I think you could. Here's subject content requirement from the NSW institute of teachers. http://www.nswteachers.nsw.edu.au/DownloadDocument.ashx?DocumentID=493 For your first teaching area, you require: A major in science (three years of degree level study with at least 4 units at level 2 or...
  19. ChillTime

    M Teach (Secondary) at UWS?

    Hi guys, just wondering who here has experience with a teaching degree at UWS. Maybe you could shed some light on their teaching quality and graduate employment rate. I've selected this program based on their merits. * 1 Year accelerated masters * They are accrediting me to teach...
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