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Search results

  1. histephenson007

    are A levels really that difficult?

    So, I just got my AS level grades this August. I've got surprisingly good grades. But the only thing is I got a B in Physics @ 78 marks on the provisional results paper. I know my exact score because my test centre is in China and they did send us the uniform marks. So .. I missed an a with 2...
  2. histephenson007

    Official Result Book - June 2011!

    special thanks to everyone on XPF who was doing the science multiple questions with me~!! :)
  3. histephenson007

    Official Result Book - June 2011!

    AS results : bio - a ....90 chem - a..92 phy - b ...78 :( math - a..85 but it is still much better than expected;)
  4. histephenson007

    A level video lectures

    i agree with the first comment phy and chem too plz..
  5. histephenson007

    GRADES!

    I hate math too!! Absolutely boring subject..no suspense
  6. histephenson007

    GRADES!

    Hoping for... Biology - a chemistry - a/b (messed up practical) Physics - a math - a
  7. histephenson007

    Biology 12 discussion

    I chose the same ^^
  8. histephenson007

    Physics MCQs thread.

    y is the thread closed already? still one hour left!
  9. histephenson007

    Physics MCQs thread.

    They are in equilibrium, So net force = 0 F= Eq, W = mg therefore, Eq = mg therefore, q/m = g/E
  10. histephenson007

    Physics MCQs thread.

    They're a bit dirty :)
  11. histephenson007

    Physics MCQs thread.

    ThanQ
  12. histephenson007

    Physics MCQs thread.

    I don't get it...
  13. histephenson007

    Physics MCQs thread.

    All the wires are in parallel. So you just have to find their combined resistance... R(tot) = [(6/10)+(1/100)] ^ -1 =1.6
  14. histephenson007

    Physics MCQs thread.

    The total work done is the area under the graph. you can divide the graph into 2 parts : the triangle and the trapezoid then u just do some basic math...
  15. histephenson007

    Physics MCQs thread.

    help plzzz...
  16. histephenson007

    Physics MCQs thread.

    Oh, this is a tough one... You have to make Simultaneous equations... d(x/L) = l after rearranging... L = dx/l Then, with the first set of info ... you can get L = d(x/l) = 1700d 2nd set of info... L+2 = d(x/l) = 5000d 1700d + 2 = 5000d Therefore, d = 6.0 *10^-4 Answer is B
  17. histephenson007

    How was bio paper 1? :)

    I already got one question wrong :( :( :cry: :cry: :fool: :fool:
  18. histephenson007

    Physics MCQs thread.

    The wavelength is 15 mm Speed (of light ) is 3*10^8 u just need to calculate for the frequency..
  19. histephenson007

    Physics MCQs thread.

    LOL... I totally forgot the pgh equation T.T
  20. histephenson007

    Physics MCQs thread.

    For question no. 19, Pressure = 15200 Pressure = F / A Therefore, F = P * A (the only force here is the weight) W = P * A mg = P*A therefore, m = (P*A)/g = (15200/9.81) A m = 1550 A Since it is rectangular, Volume = A * h Therefore density = m/V = 1550 A / Ah (cancel the A) =1550...
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