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    Thoughts on HSC chemistry 2015

    Snaking at it's finest.
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    Fermi's contribution the neutrino

    Iirc the textbooks are good for this section. Add together the sample answers from the Odlum book and you should have enough stuff to memorise to be able to answer Q's on this topic (at least the typical questions, even if they're long markers).
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    English Area of Study to be dropped

    That doesn't have anything to do with English though. That'd be an update to HSC Economics, not to HSC English.
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    Fermi's contribution the neutrino

    Don't know, depends on how many marks it's worth. But it's best to know as much as possible so you can add in as much info as you think necessary. Just memorise the info above.
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    Fermi's contribution the neutrino

    $Another website says:$ $\textsl{``From 1924 to 1927, Heisenberg lectured at the University of G$\ddot{o}$ttingen, and conducted research with Niels Bohr at the University of Copenhagen. It was during this time that the young Heisenberg developed the ``matrix mechanics'' formulation of quantum...
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    English Area of Study to be dropped

    The article's title says AOS is the ''most unpopular component of the HSC''.
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    Fermi's contribution the neutrino

    $Matrix mechanics is one of the mathematical formulations of quantum mechanics, developed by Heisenberg (and some others). See here:$ https://en.wikipedia.org/wiki/Matrix_mechanics $A bit later, Schr$\ddot{\text{o}}$dinger's wave formulation of quantum mechanics was created (by...
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    English Area of Study to be dropped

    Re: Area of Study Scrapped In the article, someone is quoted as saying ''You might be getting breadth but your not getting depth.'' Should have been spelt "you're".
  9. I

    English Area of Study to be dropped

    In the article, someone is quoted as saying ''You might be getting breadth but your not getting depth.'' Should have been spelt "you're".
  10. I

    HSC Physics Marathon 2013-2015 Archive

    re: HSC Physics Marathon Archive What is the wording of the Q (if it's from a paper)? Orbital velocity according to Wikipedia is: ''the speed at which it orbits around the barycenter of a system, usually around a more massive body.'' If something's not in orbit around something, it isn't...
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    Terry Lee's Solutions 2015 Extension 2 HSC

    Yes, you won't lose marks for doing that.
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    Terry Lee's Solutions 2015 Extension 2 HSC

    Knowing the HSC, I think they just wanted people to answer the Q. by finding the limit of a ratio of same degree polynomials. That's probably why they had the part (ii) (and gave you the expression for it, so you could still do the next part if you didn't manage to get (ii)). Then they just...
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    HSC 2015 MX2 Integration Marathon (archive)

    Re: MX2 2015 Integration Marathon Here's the question (part (c)) if anyone wants to see it and doesn't want to go back and find it (parts (a) and (b) already done):
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    HSC 2015 MX1 Marathon (archive)

    Re: HSC 2015 3U Marathon $It can be generalised to any log base on the R.H.S.: $\log _b a = \frac{\log _c a}{\log _c b}$ (for any $a,b,c>0$).$
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    Marks (raw)

    I think lita1000 said there were 7 people from NSB that were predicting 100% raw?
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    HSC 2015 MX1 Marathon (archive)

    Re: HSC 2015 3U Marathon $Best to leave out the first line and go straight to the second, since $\tan(270^\circ)$ is undefined.$
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    HSC Physics Marathon 2013-2015 Archive

    re: HSC Physics Marathon Archive How did Einstein’s theory of special relativity and his explanation of the photoelectric effect lead to the reconceptualisation of the model of light? (6 Marks, from 2008 HSC Physics paper)
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    SMH article

    "Among those plotting through the parabola..." lol
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    Maths Extension 2 thoughts

    Coefficient of static friction is a constant for two given surfaces. If you knew about this, I think the question as given could confuse you. What you are referring to by ''the friction only exists as much as needed to keep it from moving'' is the frictional force; yes, this depends on the...
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    Maths Extension 2 thoughts

    Well if it's the coefficient of friction, then little v would have been the maximum speed the car can travel without slipping up (i.e. a fixed speed for the given radius). Unless we are told that V is this speed (which we weren't), why are we letting v = V to do the question? $So basically...
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