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    yeah there is but it's not really very thorough
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    (Original post by Youngey4)
    Ayyyy I got 52W
    wait isnt it 260/4?
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    (Original post by hafsa473)
    wait isnt it 260/4?

    No you worked out the power then could divide or multiply it by 12, depends on the way they did it, but 52w is right
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    (Original post by goldenusername)
    I guessed brass for the pins, is that right??

    Yes brass is right. I put aluminium, which is also a good inductor. I dunno if tahts right.
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    The boundaries better be lower than last year for both P2 and P3, both were harder than the papers last year so i hope the boundaries will be around 40 to 44 for an A* , should not be higher in my opinion.
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    (Original post by Ferg.)
    Do you remember the values given for this question to work out the answer
    Just by reading off the graph I used 80N for force and the extension at this force was 0.2m. So K = F/e = 80/0.2 = 400
    You could have used any force and just have read off the graph to work out the constant 😁
    Then using 400 as the constant multiply by 0.25 to get the force of 1 spring which was 100Nm then times by 3 to get total force = 300N
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    (Original post by Alex5674)
    Chin up question was 52w

    260 J / 5 seconds
    omg yessss everyone was saying a completely different answer 🎉
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    (Original post by HurtfulHarold)
    This exam was honestly depressing. It didn't help that I got over confident and thought I could semi wing it.
    haha same! Thought the hour of revision the night before was enough. Honestly, if it wasn't for all those mind blowing calculations, I think I might've done alright....
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    (Original post by FNPC)
    Yes brass is right. I put aluminium, which is also a good inductor. I dunno if tahts right.
    I put metal
    I'm too smart for this life.
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    for the brown dwarf question i think you were supposed to right about technological improvements/telescopes? but i made up some rubbish saying something like 'improvements in satellites with better cameras that can travel further to see the brown dwarfs"..... could i get a mark for this lol? i doubt it
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    B1- 43 marks
    C1- 35 marks
    P1 - 37 marks

    B2 - 36 marks
    C2 - 38 marks
    P2 - 34 marks


    Any help for what these may be equal to? 😬😬
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    hey guys, actually filling in a markscheme here if anyone wants to help?

    http://www.thestudentroom.co.uk/show....php?t=4171902
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    (Original post by gmus)
    i think it was 'how does current affect the wire" i just said it makes it heat up.... ?
    me too
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    I KNOW THIS WAS IN P3, BUT I CAN'T FIND A P3 FORUM.
    Finding the critical angle question, did it ask for the answer to two decimal places or two significant figures?
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    (Original post by kad126)
    Question 1
    1. What was the mistake?
    Resolution was too large (1)
    2. 0.01 (2 d.p) (1)
    3. To see a clear pattern (1)
    4. Timed after (1)
    5. The terminal velocity is higher meaning the drag is lower (use data) (3)
    Drag is higher reaches a second terminal velocity
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    (Original post by Ferg.)
    I KNOW THIS WAS IN P3, BUT I CAN'T FIND A P3 FORUM.
    Finding the critical angle question, did it ask for the answer to two decimal places or two significant figures?
    I read 2dp but apparently it was 2sf
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    (Original post by Ferg.)
    I KNOW THIS WAS IN P3, BUT I CAN'T FIND A P3 FORUM.
    Finding the critical angle question, did it ask for the answer to two decimal places or two significant figures?
    The P2 Mark schemes are: http://www.thestudentroom.co.uk/show....php?t=4171131http://www.thestudentroom.co.uk/show....php?t=4171902The P3 Mark scheme is: http://www.thestudentroom.co.uk/show....php?t=4171127
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    (Original post by Mahrez)
    I read 2dp but apparently it was 2sf
    Me too, I got 41.81 or something.
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    draw the ammeter and calculate the P.D. through the resistors
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    (Original post by Anygy)
    haha same! Thought the hour of revision the night before was enough. Honestly, if it wasn't for all those mind blowing calculations, I think I might've done alright....
    The grade boundaries will surely go down so you probably did better than you think.
 
 
 
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