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  1. M

    Questions i didnt know

    I think you're missing the point. The question stated something along the lines of, a magnet was dropped onto a block of copper- this means that there's relative motion between the two and thus the flux cut by the copper is changing. Because of this, an emf is induced within the copper and...
  2. M

    Geostationary Orbits (Q17)

    G-forces are a measure of acceleration. all matter can be accelerated (f=ma)
  3. M

    question 9

    ^^ truth
  4. M

    Geostationary Orbits (Q17)

    And a momentary thrusting force to get it out of geostationary orbit, i think
  5. M

    Questions i didnt know

    Yeah you'd want to be talking about lenz's law, eddy currents and interacting opposing magnetic fields producing a retarding force on the magnet to slow it down. For the second part, my logic went something like : reduced thermal motion within the lattice ---> less electron scattering -->...
  6. M

    The World of Pick-Up Line

    "Hey baby, you must've been a cesarian cause you're way too phat to have come out a vagina" I made that up. Yeah its bad :mad1:
  7. M

    Back to the 70's for good rock?

    I agree with Asylum. I also play guitar, however I'd like to think that I'm openminded when it comes to music. I also don't like a lot of the stuff that is on tv and radio, HOWEVER I generally don't discount its musical value. Well composed music is not necessarily unique, or overly complex. I...
  8. M

    past hsc questions - help needed

    In regards to the 2nd one, here is my answer, summarised: (incidently I just did this question about 2 hours ago!) - the information is grossly exaggerated and presents feats that exceed the limitations of the human body. consider his motion as a parabola, after 2.5s: dy = ut + 1/2at^2 0 =...
  9. M

    titration question, please help

    :S Why can't you just work out the molar mass using the periodic table, and then work out the number of moles from there?
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