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OCR (non mei) M2 Wednesday 18th May 2016 watch

  • View Poll Results: Raw marks for 90 UMS
    60
    62.92%
    61
    5.62%
    62
    15.73%
    63
    6.74%
    64
    4.49%
    65
    1.12%
    66
    5.62%

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    I think I remember it being 32x4/5 for p and 20x7/25 for q.
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    yeah im quite ****ed mate
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    (Original post by swagmister)
    Sorry this isn't a great diagramAttachment 533445533447Attachment 533445
    unlucky mate, its suppose to be a 22 in the top right
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    hopefully the grade boundaries will be 72 for an A this year, i bossed that paper
    (Original post by ethanstoddart)
    Low grade boundaries is what I'm predecting this year...
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    You've completey ****ed q3 mate
    (Original post by xsanda)
    Xsanda’s solutions:

    1) Car on a plane:
    i) v = 22.5 m/s
    ii) P = 35.9 kW

    2) Particle up a plane:
    i) Wd = 8.43 J
    ii) v = 10.8 m/s

    3 Arch shape:
    i) show that: 13a/3π
    ii) T = 8.82 N
    iii) θ = 10.9º left of upwards vertical

    4 Particle around a cone:
    i) show that m/6 (2 sqrt3 g - 3 a ω²)
    ii) T = 39.6N, V =1.19 m/s

    5 Ladder:
    i) show that 5W/24 (1+6x/a)
    ii) max x = 1.7a
    iii) tan = 39/14

    6 collisions horizontally:
    i) a: 5.5 m/s, b: 8 m/s, both in opposite direction to their original motion
    ii) e=3/4

    7 projectiles:
    i) 18.8m high, 61.1 m AB
    ii) 87.3 Ns
    iii) 11.9 m
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    (Original post by GCSE2016)
    You've completey ****ed q3 mate
    No, those solutions are completely correct.
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    (Original post by GCSE2016)
    hopefully the grade boundaries will be 72 for an A this year, i bossed that paper
    lol you haven't even started your A-levels mate
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    (Original post by marioman)
    That was dreadful. Estimate I've got about 51-52 raw marks depending on method marks.
    Well, if there's one thing I'm really good at it's estimating my marks. Got 80 UMS on the dot for this, 51/72! Hope everyone else got what they wanted.
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    (Original post by marioman)
    Well, if there's one thing I'm really good at it's estimating my marks. Got 80 UMS on the dot for this, 51/72! Hope everyone else got what they wanted.
    mate i am so ****in' lucky

    FP2: 100
    FP3: 72
    S2: 98

    Just averages out to 90...also I don't understand how I did so badly in FP3...
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    (Original post by marioman)
    Well, if there's one thing I'm really good at it's estimating my marks. Got 80 UMS on the dot for this, 51/72! Hope everyone else got what they wanted.
    Well played!

    M2: 100
    M3: 84
    M4: 90

    It's was 58 for A* so only 65 for 100! Loving the mechanics boundaries this year!
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    (Original post by jacobe)
    mate i am so ****in' lucky

    FP2: 100
    FP3: 72
    S2: 98

    Just averages out to 90...also I don't understand how I did so badly in FP3...
    I also got only 84 in FP3 despite expecting 57+ raw marks (should be 92+ UMS), and my friend got 50 UMS which was quite a shock for him. I can only assume that the mark scheme for Question 8 (groups) was extremely harsh.
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    (Original post by jacobe)
    mate i am so ****in' lucky

    FP2: 100
    FP3: 72
    S2: 98

    Just averages out to 90...also I don't understand how I did so badly in FP3...
    S2: 100
    D2: 86
    FP2: 83

    = 1 ums off 90
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    90 percent of my body consists of coffee. Want to sleep, but no, exams, hell.
 
 
 
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