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    (Original post by Spy_Lord)
    Oh yeah, box falling question was 40N right? 50N (gravity)-10N(air resistance)=40N (unbalanced force). Eh come on, that must be right!
    Yeah but I jsut did weight of 10kg times accel of 10m/s/s = 40N. i think that is ok.. used the 2nd law of motion f=ma

    Was i correct in saying the falling object in the electric motor helped to turn the coil, wich induced current and lit the bulb?
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    AQA-

    What did people get for the momentum Qs?

    The one at the bottom of the left page :confused:...
    and the one about how much force is applied to the nail?

    C4
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    (Original post by koldtoast)
    Was i correct in saying the falling object in the electric motor helped to turn the coil, wich induced current and lit the bulb?
    Well I'd hope so because thats what I wrote as well. In any case, I don't see what other answer you could put, apart from maybe going into a little more depth and saying it cut magnetic field lines.
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    AQA paper


    Momentum Q, i got 11.25 and the force was 112.5N i think. Normally i dont mind momentum Qs but that one was weird.

    The sun Q's answer was that the very dense substances found on earth now had to of been made wen a previous star collapsed in think. that proves our sun was created fromt the dust given off from the previous one i think.
    Only 2 or 3 marks anyway.

    The magnifying Q was really annoying for me. Couldnt remember it at all and it was a 5 marker.
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    (Original post by C4>O7)
    AQA-

    What did people get for the momentum Qs?

    The one at the bottom of the left page :confused:...
    and the one about how much force is applied to the nail?

    C4
    What kind of AQA is this?

    Modular? Coordinated had no nails involved.
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    Ahhh this is confusing, all different exam boards/tiers in one thread

    Anyway.. I did AQA.. Higher.. it was ok. That nuclear stuff confused me, so I made it all up. I made up some of the formulas towards the end too. And some other stuff, but I think I did ok.. maybe. Anyway, it was the last exam, so I'm happy Probably won't post here again until next year now
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    Did AQA Higher (non-modular)- wasn't too bad.
    Generally content with it, though I wiffled my way through a couple of questions and completely hashed the alpha particle one due to general foolishness.

    Yosh! That's science done then...well, assuming I've done reasonably well. I'll have to retake if I don't get an A or A* *sigh*.
 
 
 

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