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Recent content by comrade
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Physics p34 05 june 2014
I think 1 mark or two at most. It's ECF so you don't have to worry about loosing a lot of marks. -
Physics p34 05 june 2014
Me. :P Made a stupid mistake with the graph. And it took me 1 hr 15 mins just to take measurements because there was something wrong with my apparatus. It just won't oscillate. Then the lab attendant came and fixed mine and the rest of the student's apparatus. -
Physics p34 05 june 2014
See O/N 12, P34, Q2. It is almost the same. This is what I was told, is this wrong or the same thing? K2-K1 ----------------- x100% K1+K2 ----------- 2 -
Physics p34 05 june 2014
I asked through someone, not directly. I did ask but was given only this much reply. -
Physics p34 05 june 2014
I read exactly the same. But many people are now saying that we have to take the average. I don't know which one is correct. :/ I asked from a A* student, I was told that I have to take an average. Still not sure. :p -
Physics p34 05 june 2014
For the exact answer see this link. Q2, part h. Please don't rely on what I said. I'm just trying to help out. That aside, the paper you mentioned is the first one I practised. :p It depends on the instrument you are using. For example a balance that measures mass of an object shows 2.5 g so... -
Physics p34 05 june 2014
I have no idea at the moment. I myself am scrolling through stuff looking for a similar experiment. I'll mention it here if something new pops up. -
Physics p34 05 june 2014
Please see my previous reply. It is hard to explain, I tried to explain it as simple as I could. :S -
Physics p34 05 june 2014
It depends on the precision available. For example the the balance shows 3 significant numbers like 20.6 g so you have to write according to that. If another reading is 5.9 g you can't write it as 5.90 g. If the balance shows 5.9 g you can't convert to 3 significant figure like 5.90 g. It should... -
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Physics p34 05 june 2014
In the examiner report it says: (h) (ii) Candidates from some Centres produced good, clearly reasoned conclusions from their results, although many calculated the percentage difference between their k values but forgot to state what criterion they compared this difference to. Weaker... -
Physics p34 05 june 2014
Thank you! I thought my sir told me wrong. :p -
Physics p34 05 june 2014
Average? Are you quite sure about it? Why does the book show in the example that it is the smaller value and not the average? I just rechecked. -
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Physics p34 05 june 2014
Maduro I just read your post and got confused so I confirmed it from the book, it is like this: (the larger k value-the smaller k value)/the 'SMALLER' k value.
