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  1. S

    HSC Physics Marathon 2013-2015 Archive

    re: HSC Physics Marathon Archive Nice.. maybe include a diagram for 4 marks with the earth and rocket system and then the earth moving relative to the sun
  2. S

    HSC Physics Marathon 2013-2015 Archive

    Re: 2013 HSC physics marathon Explain how the slingshot effect can increase the speed of a rocked without using fuel or violating the law of conservation of energy. 4 marks
  3. S

    Thoughts: CSSA English Paper 1

    sounds like an interesting stimulus :P what was the q?
  4. S

    CSSA Paper 2

    what were the extracts?
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