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<a https://www.thestudentroom.co.uk/showthread.php?t=7467335'> Year 12s: what will be the first way you research your future options? >>
<a https://www.thestudentroom.co.uk/showthread.php?t=7467335'> Year 12s: what will be the first way you research your future options? >>

Urgent!! Practical in 3 days! Physics percentage uncertainty help!?

Okay, have a physics practical coming up soon and I'm bricking it.
I have no idea how to do the percentage uncertainty questions, percentage difference or how to state whether they're accurate (percentage uncertainty under percentage difference?)
Can someone please give me some guidance regarding what to do?
http://www.ocr.org.uk/Images/70734-unit-g483-practical-skills-in-physics-1-evaluative-task-specimen.pdf
I'm doing this paper (specimen) and dont know how to do for 1-6 and nor do I know what to put in my evaluation?
Could someone put clear bullet points on the things my evaluation MUST contain?
Also for question 5, what does it mean, should I compare percentage differences or what?
I am getting very stressed as my teachers seem to be taking this incredibly lightly and its really pi**ing me off :mad:
I have done 1 mock one and that is it (21/27) <- Awful.
So i really, really need some help asap :frown:
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Avatar for Danny.L
Danny.L
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Like any equations clearly explained, such as percentage difference, percentage uncertainty, percentage error.
What to include in my evaluation would be great & also I havent a clue what to expect in the analysis!

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