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  1. J

    projectile question

    I know how to do this but I don't understand why the roots of the equation gt^2 - 2Vtsinθ + 2h = 0 give t1 + t1 and t1t2. Can someone please explain why it works. Thanks
  2. J

    Anyone do Computer Science?

    Does anyone do straight computer science? Since it is a 3 year degree do I have to double degree it for jobs (because I am going to be competing with people who have double degrees). Apparently a 3 year degree is less employable for some companies, is this true? Thanks
  3. J

    shm 3u question

    Hey, I don't really understand the solution. Can someone please explain it thanks (only part iii).
  4. J

    Extension 1 Question

    When we differentiate binomials in the HSC exam, can we just differentiate the sum of all the terms in one step instead of expanding than differentiating then putting back in sum form? thanks
  5. J

    THSC is down???

    ^
  6. J

    At this point in the year...

    Hi, This is mainly towards those who achieved a 90+ ATAR but anyone feel free to answer. At this point in the year (13 days till first English Exam) did you guys know basically all you need to for all your subjects. I am freaking out cause I need a 90+ ATAR and there is so much to remember...
  7. J

    CS, SENG Labs?

    Hey, What do labs consist of for CS or SENG? I'd assume it is just programming right? But do they give a question with constraints that you have to program for, or is it like making an app of something? Thanks
  8. J

    ATAR ESTIMATE...AGAIN...

    I'll join everyone, it might motivate me to study... Hey, so I go to a school that is ranked 250 - 300 and these are my marks: SUBJECT : MY MARK : MY RANK : AMOUNT OF BAND 6'S EACH YEAR English Advanced : 53/100 : 39/60 : 3 - 6 2U Maths : 93/100 : 5/35 : 3 - 6 3U Maths : 74/100 : 3/15 : 1 - 3...
  9. J

    How's uni?

    Hi all, This is aimed more towards recent uni students, but anyone feel free to answer. How has your transition to uni been like? I know it depends on course but how is the workload compared to HSC? Is uni less or more stressful? How is the extra freedom? Do you miss high school? Anything else...
  10. J

    HSC or Trial Papers for Maths??

    Hi everyone, This is a question directed more towards past HSC students, however anyone can chime in. So for maths (2u, 3u) how did you guys study with past papers, did you just do the HSC papers or did you also do trial papers from other schools? Thanks
  11. J

    More Special Relativity Questions...

    These may be dumb questions because I haven't gotten the basics of Special Relativity down yet... 1. How do GPS satellites experience special relativity if they are in an accelerating frame of reference (caused by its centripetal acceleration)? I thought special relativity only applied to...
  12. J

    Can DC current create Eddy Currents?

    ^
  13. J

    Domain question...

    Find the domain of: y = arcsin(3/x) Thanks
  14. J

    Should I bother with Year 11 content?

    So should I bother with relearning some of the year 11 Physics content (I forgotten quite a lot of it) or should I continue mastering the year 12 Physics content?
  15. J

    Relativity Questions

    Help with these 2 questions please. I am confused about which term is to and tv, also Lv and Lo 1. There are 1000000 muons formed at an altitude of 15000m, taking time dilation into account find how long it would take the muons to reach the ground if they were travelling the 0.994c . 2. There...
  16. J

    Multiple Uni Offers?

    Is it possible to get offers from all 5 of your university preferences (provided you get the required ATAR for all of them). If not can you change your preferences after getting your ATAR. Thanks
  17. J

    Special Relativity Question

    Help with this! Say there is a spaceship and inside an astronaut, there are also two clocks (one on spaceship and one of Earth). So relative to the astronaut and spaceship the Earth would be moving away (so the time would be slowing down on Earth). But relative to Earth the astronaut is moving...
  18. J

    How do the UAC preferences work?

    Hi I have 2 questions regarding the UAC preferences process: 1. So you get to choose 5 courses on UAC. If I get an ATAR high enough for all of the courses, will I get an offer from all of the preferences? I am asking this because I am still not sure on my preferences and I want to be able to...
  19. J

    ATAR ESTIMATE

    Hey, so I go to a school that is ranked 250 - 300 and these are my marks: SUBJECT : MY MARK : MY RANK : AMOUNT OF BAND 6'S EACH YEAR English Advanced : 55/100 : 40/60 : 3 - 6 2U Maths : 93/100 : 4/65 : 3 - 6 3U Maths : 74/100 : 3/15 : 1 - 3 Physics : 80/100 : 1/22 : 1 IPT : 89/100 : 1/19 : 1...
  20. J

    Which UNI????

    Hi, What university do I choose? I am most likely going go into engineering of some sort. So I need to choose between USYD and UNSW. I know UNSW is better for engineering but the bus ride and waiting in queues for the next 4-5 years seems like a pain. Does the difference between the two even...
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