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Thread: CSSA Physics 2018

  1. #1
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    CSSA Physics 2018

    How did everyone go?

    Honestly it was a lot better than I expected personally, couple of interesting question, but nothing too hard I don't think.

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    Re: CSSA Physics 2018

    Anyone know what the extended response for Q2Q was?

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    Re: CSSA Physics 2018

    Quote Originally Posted by HAX0R View Post
    Anyone know what the extended response for Q2Q was?
    Which question sorry?

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    Re: CSSA Physics 2018

    Found it much easier than last years paper, probably 90-95, astro was definitely the easiest its been in years
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    Re: CSSA Physics 2018

    Quote Originally Posted by jryl View Post
    Found it much easier than last years paper, probably 90-95, astro was definitely the easiest its been in years
    Can't say I'll be that high up, but hoping for around 85+
    Geophysics was also pretty easy.
    Anyone have any ideas on a rough B6 cutoff?

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    Re: CSSA Physics 2018

    Also what did everyone get for the gravitational acceleration question?

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    Re: CSSA Physics 2018

    Not sure what you mean by band 6 cut-off for an internal assessment but for the planet question I got 2.56 ms^-2 but could definitely be wrong. Tbh some of the MC was harder than the core questions, what did everyone have for the superconductor one? I chose the ceramic one with the highest critical temp (~90K?).

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    Re: CSSA Physics 2018

    I chose the answer with all 3 under the temp of the liquid. My theory was that the bottom must be in a super conducting state so that the meissner effect occurs. Thinking back though it may only be with Type 1 superconductors, so could potentially just be the two pure metals.
    I just meant roughly what would a Band 6 student be getting in an exam like that I guess?
    Also, I used the same method, but didn't realise the initial time business, so i got 1.88ms^-2, but I think that's wrong

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    Re: CSSA Physics 2018

    I chose all 3 under the bp of the liquid too, and also got 1.88ms^-2 (I think...it was around that) but I agree I don't think I did my time displacement relationship right.
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    Re: CSSA Physics 2018

    Quote Originally Posted by bjw22 View Post
    I chose all 3 under the bp of the liquid too, and also got 1.88ms^-2 (I think...it was around that) but I agree I don't think I did my time displacement relationship right.
    Yeah, I sort of realised after that the first flash would be at t=0, so the time would be 6/16
    I think anyway, I hope I was right haha

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    Re: CSSA Physics 2018

    Yea think you are right with the MC, uhh for b6 student idk, I'd assume it would be a little bit above the HSC (maybe 85?) not higher than that. For the time-displacement graph, we were told pictures are taken 16 times per second, so would that mean using F = 1/T, each picture of the balls are seperated 1/16s? This results in it covering 18cm in 6 * 1/16s (6 pictures were shown of Ball A's decent), then using change in Y formula a = 2.56?
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    Re: CSSA Physics 2018

    Yeah I don't know what weird unit conversion magic I was doing, I was in milliseconds and then back to seconds (for a minute I was thinking there were 60 milliseconds in a second )so IDK anymore...
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    Re: CSSA Physics 2018

    Ahaha same happened to me, never practiced a question like that. Actually annoyed now that I also screwed up that MC Q ah well, good job everyone on how they went and 83+ would be a competitive mark.
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    Re: CSSA Physics 2018

    Yeah good work everyone, we got through it aha!
    I'm annoyed I screwed up that accel question, so same deal I guess

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    Re: CSSA Physics 2018

    Only 1 more HSC physics exam ever!!
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    Re: CSSA Physics 2018

    Quote Originally Posted by JaxsenW View Post
    Yeah, I sort of realised after that the first flash would be at t=0, so the time would be 6/16
    I think anyway, I hope I was right haha

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