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  1. M

    how to easily remember the order of EM waves in decreasing energy.

    It's only really a good way to start off memorizing them in prelim, obvoiusly i know the order now, as any normal hsc student would.
  2. M

    Please help, binomial probability question

    Hi, this question is probably easy and i just don't get it. The question is: "If ten coins are tossed 50 times, in how many cases would we expect the number of heads to exceed the number of tails?" (It's q25 in exercise 29(b) of the fitzpatrick 3 unit book) I work it out as if there's 50...
  3. M

    Is doing past paper a good way for revision?

    Past papers are best way to study. Not only are they effective, but they you don't get bored with them as much as you would during other study methods. I done the past 5 hsc's for physics before trial and topped my class. I done them all as open book and not under test conditions that way i...
  4. M

    how to easily remember the order of EM waves in decreasing energy.

    Gamma X-rays UV Visible Infrared Microwaves Radio Gay X-men Under Very Intense Male Ridicule Tell me what you think, i believe if u make it stupid and sexual it sticks
  5. M

    Solutions To Hsc Papers

    They're ok but there's no sample answers for the exams we are doing, 2004 & 2005
  6. M

    Solutions To Hsc Papers

    I have done the exact same thing and are in need of the solutions as well. Sorry I can't help, any1 who even just has there solutions would u plz post them, so i wud have sumthing to compare to. Thanks
  7. M

    Please help, Growth and decay type question

    Thanks for that, though, it says V = A/4, if A is the initial volume then how how could one quarter of the vessel be 1/4 x A. e.g. if the initial volume is 2 litres then V = 1/2.
  8. M

    Please help, Growth and decay type question

    Hi, I am completely stuck. The question is "A vessel is being filled at a variable rate and the volume of liquid in the vessel at any time t is given by V=A(1-e to the power of -kt)" Question (a) was show that dV/dt = k(A-V) and i got that easily, however question (b) is "If one wuarter of the...
  9. M

    Precipitation help needed please

    Hi, I done a prac involving determining the sulfate content of fertiliser and it involved making a barium sulfate precipitate and filtering it, it was a very milky and not very solid precipitate which didn't filter particularly well. I was wondering whether anyone has any ideas on how I could...
  10. M

    Is a hypothesis meant to have justification?

    Hey, I have been told by a few teachers that a hypothesis should have a justification and by others that it should not, I just got an assessment worth 20% back and missed out on 100% because i didn't justify my hypothesis, I know I shouldn't complain, but I thought I should find out for future...
  11. M

    Byron Bay 2006

    Hey all Just wondering whether anyone's going to Byron Bay for schoolies, first week. Also if you've been to Byron before tell us what you thought. Matt
  12. M

    Maths induction question, please someone help

    thanks for that, it helped heaps, i think i get it now.
  13. M

    Maths induction question, please someone help

    I have to prove the statement that: 12 to the power of n is larger than 7 to the power of n + 5 to the power of n. when n is larger than or equal to 2
  14. M

    Maths induction question, please someone help

    the question is: prove by mathematical induction, 12 to the power of n > 7 to the power of n + 5 to the power of n when n is larger than or equal to 2. Thank you to anyone who can help me.
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