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Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST

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    I thought it was OK. I lost either 2 or 3 marks (out of 4) on the sinking into the ground question, because I took the force going down as mv instead of mg for some strange reason. I also think I lost 0-3 marks on the 3 marker at the end of the paper because I drew thrust in the wrong direction (but got the correct answer, as a negative, where I simply changed the values on the left of my equations to be negative also so that it fitted).

    I'm thinking 69/75 assuming I've made no other stupid mistakes I haven't foreseen yet.

    The exam solutions would be just swell right now to put my mind at ease.
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    Does anyone remember what they got for 2c? The distance on the plank?
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    (Original post by theseeker)
    Does anyone remember what they got for 2c? The distance on the plank?
    1.33m
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    (Original post by -Simon-)
    I meant he had nailed what the last question would be on, but, yeah I got 0.125N

    Hmm, I was so happy that I checked out the examsolutions bit on trust before the exam. :lol:
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    1) V = 1.5MS^-1, M = 0.3KG

    T = 115 for that A to B thing

    0.316m for that ball sinking into the ground question.

    5km for the vectors question, then something like 12.625 for the due north bit.

    Thrust = a = 1.25, then tension in string = 1.375, then speed at t = 6 = 7.5, distance travalled = 7.5, thrust = 1/8


    Can't remember any more!
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    (Original post by Gman1234)
    300 degrees for the bearing?
    302 degrees
  7. Offline

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    (Original post by theseeker)
    Does anyone remember what they got for 2c? The distance on the plank?
    I think I got 1.3 something not too sure
  8. Offline

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    solutions are now up
  9. Offline

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    Distance on was 4/3 m
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    i think this paper is a bit difference from the old ones

    btw anyone know what is the distance falls through with the ''soft'' ground question LOL
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    Anybody got 155s for total time in the speed-time graph question?
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    (Original post by Extricated)
    1) V = 1.5MS^-1, M = 0.3KG

    T = 115 for that A to B thing 155

    0.316m for that ball sinking into the ground question.

    5km for the vectors question, then something like 12.625 for the due north bit.

    Thrust = a = 1.25, then tension in string = 1.375, then speed at t = 6 = 7.5, distance travalled = 7.5, thrust = 1/8


    Can't remember any more!
    T is 155
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    (Original post by theseeker)
    Does anyone remember what they got for 2c? The distance on the plank?
    4/3m
  14. Offline

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    YESYESYES

    illuminate us with your ends Arsey!
  15. Offline

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    (Original post by oli_G)
    Paha, 1/8 N?
    YES That was the one I thought I'd screwed up...

    Also, does anyone know if you're penalised for giving vectors as columns, as opposed to i and j?
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    Does anyone know that if you show 2 methods or more, the best one counts apparently? Right?
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    (Original post by Gman1234)
    300 degrees for the bearing?
    uh uh. 302 I seem to remember getting. There was a strange sense of deja vu doing that one I think there was an incredibly similar question in a past paper I did...
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    75/75 :woo:

    So long as I get the mark for putting 3 s not 2.99s ?
  19. Offline

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    (Original post by theseeker)
    Does anyone know that if you show 2 methods or more, the best one counts apparently? Right?
    YES
  20. Offline

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    Holy crap, I may have got 100!
    Thanks so much Arsey! You're a bearer of great news today.

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Updated: December 31, 2012
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