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  1. R

    Physics P5 uncertainty help

    Thanks you so much, I understood all of that. Very well explained. 2009 paper p51 I kind of got stuck on because my points had a very poor correlation and my worst line didn't even end up crossing the line of best fit, all the other papers I have done have been fine so I'm not too worried about...
  2. R

    Physics P5 uncertainty help

    Yo, does any one know if uncertainties have to be written as 1s.f of can they be more? Cheers
  3. R

    Thanks so much. Could you also please help me on one question? The paper is...

    Thanks so much. Could you also please help me on one question? The paper is: http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w10_qp_41.pdf Its question number 2. b iii) . I'm not sure how to find the work done for change R to P. Thanks
  4. R

    Hi, could you please help me with physics, I have my A2 exam tomorrow. I have always written my...

    Hi, could you please help me with physics, I have my A2 exam tomorrow. I have always written my answers to the least significant figures of the data used to calculate the answer, however after going through past papers the answers s.f vary from 2 to 3 and sometimes they write it as 3 even though...
  5. R

    Hi, could you please help me with physics, I have my A2 exam tomorrow. I have always written my...

    Hi, could you please help me with physics, I have my A2 exam tomorrow. I have always written my answers to the least significant figures of the data used to calculate the answer, however after going through past papers the answers s.f vary from 2 to 3 and sometimes they write it as 3 even...
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