OCR (non mei) M1 Friday 17th June 2016 Watch

TheNicholas
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Hi!
This is for discussion pre and post the up coming M1 exam
Lets start the discussion!

For past papers and mark schemes:
http://www.ocr.org.uk/qualifications/as-a-level-gce-mathematics-3890-3892-7890-7892/

For some older past papers:
http://www.physicsandmathstutor.com/...papers/m1-ocr/
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HecTic_H
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No-one else doing this?
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OCRMaths
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I am

You confident?
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OCRMaths
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Heres a link to some que cards on it, https://www.thestudentroom.co.uk/g/r...ision_cards_a2
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JW22
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(Original post by OCRMaths)
I am

You confident?
I'm pretty confident, I just don't think my life will ever be the same when preparing for exams after this years C1, otherwise I would say very confident
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Vanilla Poison
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Hoping that there's no Newtons 3'rd law questions, good luck everyone!
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metasysta
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Go go community mark scheme. Same rules as usual!

https://docs.google.com/document/d/1...it?usp=sharing
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metasysta
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Can some people help with the mark scheme, I didn't get chance to save my answers in the calculator today.
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howardhoward
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I am not sure I understand the whole 'unofficial' mark scheme, how do you know you got the correct answers? Are you even qualified to do this
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Amyr555
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Angle between two 4N forces was 82.8
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daniellon
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(Original post by Amyr555)
Angle between two 4N forces was 82.8
It should be greater than 90
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Parallex
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(Original post by daniellon)
It should be greater than 90
it was 82.8
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TheNicholas
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(Original post by Amyr555)
Angle between two 4N forces was 82.8
I got the same
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metasysta
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(Original post by howardhoward)
I am not sure I understand the whole 'unofficial' mark scheme, how do you know you got the correct answers? Are you even qualified to do this
Teachers often pitch in, so yes qualified. We also know that we have the right answers because people tell you otherwise and we show the working on the document.

(Original post by Amyr555)
Angle between two 4N forces was 82.8
Thanks!

(Original post by daniellon)
It should be greater than 90
Why? I got 82.8 also.
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Parallex
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agree w/ 6.76 for the last one

tension was 1.81N or something for the pulleys

can't remember much lol
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Khadijahk
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(Original post by metasysta)
Teachers often pitch in, so yes qualified. We also know that we have the right answers because people tell you otherwise and we show the working on the document.



Thanks!



Why? I got 82.8 also.
How did you get 82.8?
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rektron
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How did people get 82.8 degrees for the angle between the 4 newton forces? I got 97.2 by using the cosine rule, a^2 = b^2 + c^2 - 2bccosA and solving for A
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metasysta
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(Original post by Khadijahk)
How did you get 82.8?
(Original post by rektron)
How did people get 82.8 degrees for the angle between the 4 newton forces? I got 97.2 by using the cosine rule, a^2 = b^2 + c^2 - 2bccosA and solving for A
Give me a couple minutes. I'll redo the question and post the method in the MS
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swagmister
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(Original post by Parallex)
agree w/ 6.76 for t!he last one

tension was 1.81N or something for the pulleys

can't remember much lol
Same! I got 82.8 degrees too
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daniellon
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(Original post by rektron)
How did people get 82.8 degrees for the angle between the 4 newton forces? I got 97.2 by using the cosine rule, a^2 = b^2 + c^2 - 2bccosA and solving for A
Cosine rule in the formula booklet?
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