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  1. Jonathan127

    Economics, Accounting & Business: Post your doubts here!

    That was a good paper. I did Q4 and Q5. btw, I've never heard of CFI. I just explained it using the aggregate expenditure line. Also, how much did you guys right for the GDP question. I kept repeating the same things.
  2. Jonathan127

    failing at retakes aswell what to

    Well, I don't understand how you get D grades when you are getting 80% at home. I think you are either not understanding the questions during the exam, or maybe the examiner doesn't understand what you are trying to say, because I had to read what you wrote twice to get what your question was!
  3. Jonathan127

    HOW WAS PHYSICS PAPER 5 PPL ? HOW WAS YOUR EXAM ?

    I wrote N Hz^-2 m^-2 or something like that...
  4. Jonathan127

    HOW WAS PHYSICS PAPER 5 PPL ? HOW WAS YOUR EXAM ?

    I'm sure they'd give you the mark. And, for missing the units, you will only get 1 out 2 marks, provided your answer is correct.
  5. Jonathan127

    HOW WAS PHYSICS PAPER 5 PPL ? HOW WAS YOUR EXAM ?

    Yeah mine too and so were my friends so something around those answers must be correct.
  6. Jonathan127

    HOW WAS PHYSICS PAPER 5 PPL ? HOW WAS YOUR EXAM ?

    The question said "the speed of the wind" NOT the speed of the balloon, so, I don't think anyone really knows how to measure the speed of wind unless you use a anemometer, but I didn't know that :/
  7. Jonathan127

    A2 Physics | Post your doubts here

    Thanks for the quick reply, and help! :)
  8. Jonathan127

    A2 Physics | Post your doubts here

    Can someone please help! I don't get how to calculate the errors when you log something. Like, take these values as an example: I (current) = 2.6 +/- 0.1 . Calculate log(I) with the absolute errors. How would you do it?? It came in this paper, Q2b)...
  9. Jonathan127

    A2 Physics | Post your doubts here

    But why did But why did you multiply (0.389^2 I ) x (0.331 ?
  10. Jonathan127

    A2 Physics | Post your doubts here

    Thanks so much! :)
  11. Jonathan127

    A2 Physics | Post your doubts here

    So basically, you just draw a graph similar to that one, but each individual peak is every 20µs and the lwhole waveform takes 200µs to complete?
  12. Jonathan127

    A2 Physics | Post your doubts here

    Yeah, isn't it the one where the frequency stays the same, but the amplitude varies with the displacement?
  13. Jonathan127

    A2 Physics | Post your doubts here

    I still don't get it. Like, do you mean, draw the carrier frequency separate?
  14. Jonathan127

    A2 Physics | Post your doubts here

    Could someone please help me with the graph on Q10 c) ? How would you draw it? http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w07_qp_4.pdf
  15. Jonathan127

    A2 Physics | Post your doubts here

    Um, I really can't say. I've answered a lot of Gravity questions, and motion in a circle questions as well. You can't predict what will come. Have you read the application stuff? Sometimes there are 6 - 8 mark questions in that!
  16. Jonathan127

    A2 Physics | Post your doubts here

    Oh right! Now I get it. Never thought about it like that. Thanks :)
  17. Jonathan127

    A2 Physics | Post your doubts here

    But, like how do you know?
  18. Jonathan127

    A2 Physics | Post your doubts here

    No you don't need to know about the stopping voltage but I'm pretty sure you need to know about the threshold frequency. Just learn it anyway though, cause I remember the mark scheme mentioning it once.
  19. Jonathan127

    A2 Physics | Post your doubts here

    Has anyone done October/ November 2005? Q6 c) (ii) I don't understand how to sketch that graph? http://www.xtremepapers.com/papers/...and AS Level/Physics (9702)/9702_w05_qp_4.pdf
  20. Jonathan127

    A2 Physics | Post your doubts here

    No, the thumb shows the direction of the movement, the first finger/ index finger shows the direction of the field, and the the second finger shows the direction of the induced current/ EMF.
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