OCR Twenty First Century Science Physics P1-7 *Official Thread 2016*

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    (Original post by NiamhM1801)
    You use weight = mass x 10 for GCSE level, it's not until A Level that they want 9.81
    Thanks so much!

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    (Original post by Ananya._c)
    Thanks so much!

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    No problem!
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    For the chemistry exam what elements did you get in the first page? Did the question ask for the relative atomic mass of elements that have different symbols? I got Be And B but some put F because it was the atomic number. I said it doesn't make sense as why would it ask you to find F if it was already in Newlands table of Octaves.
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    (Original post by TheAnonymousMan)
    For the chemistry exam what elements did you get in the first page? Did the question ask for the relative atomic mass of elements that have different symbols? I got Be And B but some put F because it was the atomic number. I said it doesn't make sense as why would it ask you to find F if it was already in Newlands table of Octaves.
    I got the same.
    Heres a link to the chemistry thread which discussed this and some answers that was quite helpful
    http://www.thestudentroom.co.uk/show...3#post65766683
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    (Original post by Ben.M)
    Sorry, but I can't find the 7's. My room is just full of piles of booklets and papers, and I can't find them. But here are P4, P5 and P6

    Attachment 549791Attachment 549791549793Attachment 549791549793549800
    Hey! This is a really weird question...

    But what size paper do you use?

    I love mindmaps, i swear by them
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    Any six mark predictions????
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    I have the paper but not the mark scheme unfortunately. But here you go. This is for P456.
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  1. File Type: pdf A182-02 QP Jun15.pdf (550.5 KB, 63 views)
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    (Original post by TheAnonymousMan)
    For the chemistry exam what elements did you get in the first page? Did the question ask for the relative atomic mass of elements that have different symbols? I got Be And B but some put F because it was the atomic number. I said it doesn't make sense as why would it ask you to find F if it was already in Newlands table of Octaves.
    Be and B is correct, I got that too.
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    (Original post by realsmilee)
    Hey! This is a really weird question...

    But what size paper do you use?

    I love mindmaps, i swear by them
    Haha, it's A3 paper
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    CAN SOMEONE ANSWER THIS QUESTION PLEASE show method as well i A tennis player strikes a serve with a force of 30N. If the ball has a mass of 250g and the racket is in contact with it for 0.15s calculate the ball’s change in momentum and its speed.??spent hours on it and got the change in momentum as 4.5 but how do i get speed?
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    (Original post by Ben.M)
    Haha, it's A3 paper
    Thought so

    If you have any B7, C7, or P7 could you send them to me?
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    (Original post by akmoo)
    CAN SOMEONE ANSWER THIS QUESTION PLEASE show method as well i A tennis player strikes a serve with a force of 30N. If the ball has a mass of 250g and the racket is in contact with it for 0.15s calculate the ball’s change in momentum and its speed.??spent hours on it and got the change in momentum as 4.5 but how do i get speed?
    nvm i did it

    all i had to do was 4.5/0.25 = 18
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    I need the mark scheme for 2015 urgently. Please help a brother out here
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    (Original post by akmoo)
    nvm i did it

    all i had to do was 4.5/0.25 = 18
    Why do that? :confused:

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    (Original post by Aliondo)
    I need the mark scheme for 2015 urgently. Please help a brother out here
    I have it but only as a paper copy. I can take pictures and PM you if you like?
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    (Original post by NiamhM1801)
    I have it but only as a paper copy. I can take pictures and PM you if you like?
    Please do, I will love you forever
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    6 marker predictions anyone???
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    (Original post by Ananya._c)
    Why do that? :confused:

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    Because you have to change the 250g to .25kg
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    (Original post by NiamhM1801)
    I have it but only as a paper copy. I can take pictures and PM you if you like?
    Is there anyway you can also send me a copy please?
    Thank you
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    Anyone know how to this?

    This car can apply amaximum braking force of 10,000N. If thecar’s mass is 1000Kg how far is its stopping distance when it is travelling ata speed of 15m/s (roughly 30ph) and 30m/s (roughly 60mph)?
 
 
 
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