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  1. D

    physics paper 3

    What is your centre number ?
  2. D

    Physics paper 3 doubts

    What about sine ? I'm making mistake somewhere ; it says calculate speed of medium if speed of light is 3 x 10 ^8 and refractive index is 1.49 and when I apply formula I get something like 0.58122.. What is missing in my calculation ? n= speed of light / speed of medium 1.49 = 3 x 10 ^8 /...
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    Physics paper 3 doubts

    Hello everyone , this paper 3 is so confusing. Here is my question in this paper : http://www.xtremepapers.me/CIE/Cambridge IGCSE/0625 - Physics/0625_s09_qp_3.pdf 4. a.i and a.ii - how did they get those values 5. a.ii , b.i and b.ii - I couldn't find formulas for those in my book can anyone...
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    chemistry grades

    Because the paper was so easy so we can expect high curve for this one , however 45 is for sure , i can get even more ... and another reason is this paper is only 20 % ... tomorrow is a big one -.-
  5. D

    chemistry grades

    I did the easier variant , not the harder one.
  6. D

    chemistry grades

    It was an easy one , I think I will score around 45 marks and curve will be most probably high .. is that enough to get C ?
  7. D

    Chemistry Paper 6 Discussion

    I got around 46 for sure , so just curious..least grade I have to get is C. Dude , remember the physics notes u have posted on forum ?! I messaged u to send them on my email but u didn't ..can u plz send them ? I will appreciate it.
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    Chemistry Paper 6 Discussion

    Can someone tell me how much I need for grade C ?? variant 2
  9. D

    Chemistry Paper 6 Discussion

    I know discussion isn't allowed yet but can someone just tell me what the threshold will be for variant 2 ? No need to be exact , just prediction ... for grade D I want to know it.
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    Paper 6 Physics

    Come on! Only two mistakes where I lost 2 marks , impossible to get less than A*.38/40 has to be good enough 8)
  11. D

    Paper 6 Physics

    So after all , I'm supposed to get A* in paper 6 because I only lost on coffee cup and keyboard which is 2 points only. Maybe I will loose marks in first question for length a because i put it in mm not in cm , so that is 1 mark less becuz the rest 2 marks from that part are given for correct...
  12. D

    Paper 6 Physics

    You are right , its R+R.
  13. D

    Paper 6 Physics

    I don't remember that question very well but yeah I think I get the same , its correct :P
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    Paper 6 Physics

    I don't remember they mentioned cm or mm in this part of question , but 4.3 cm or 43 mm would be both correct.
  15. D

    Paper 6 Physics

    Yeah , that's the most likely way to get it. Cozmo please tell me do u remember did they mention cm or mm ?? Is it wrong to put 4.3 cm instead of 43 mm or opposite ?
  16. D

    Paper 6 Physics

    In question they clearly said "Find the best center of mass" ... I made a cross exactly in the middle of that triangle and I get 4.3 , and it is logical to make it in around the middle. I REALLY HOPE YOU GET YOUR MARKS , I DON'T WANT YOU TO LOSE ANYTHING , OKAY ?! Btw do u remember did they...
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    Paper 6 Physics

    I really hope , but check similar questions in pastpapers , they can accept if your answer is 0.1 bigger or smaller , but 4.0 ?! That is mistake made in 3-4 mm! In diagrams it is unlikely they will accept it.
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    Paper 6 Physics

    oh yeah remembered that it was in cm, and my answer was 4.0 cm Actually does it MUST be in cm or it can be in mm too (4.3cm=43mm) ? I get 4.3 like others here and probably they will accept 4.4 , so 4.0 comes wrong.How did you get that ? -.-'
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    Paper 6 Physics

    First question .. the length of a ... line between rigth angled side B and centre of mass point.Should it be in cm or mm ?
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    Paper 6 Physics

    You sure about coffee cup ? And please , can you tell me did they mention in first question the answer should be in cm or mm ... cuz I'm affraid of not getting marks becuz of that.
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