think i dropped 6 marks. messed up the moments question and deriving 1/2mv^2. why is everyone complaining, everything they asked was in the ocr text book, people should of just revised more thoroughly
think i dropped 6 marks. messed up the moments question and deriving 1/2mv^2. why is everyone complaining, everything they asked was in the ocr text book, people should of just revised more thoroughly
what i used was s=u+at^2 u= 0 a= what we are looking for s= given the solve for t. I think that's what i did. I'm not sure if that right. I got a U last time. I only did like a quarter of the paper >< Good luck with youre results! dw you'll do well. you have the other paper that's worth 150!!
one thing schools need to realise and really emphasise is how ****ing **** the textbook for OCR AS physics is. The section on reflection doesn't even really tell you what it is! CGP or whatever its called revision guides are pretty good and the internet will have loads of stuff! i can imagine some schools dont emphasise the crapness of the textbook as much as ours do
I'm in confusion, I thought if a force is exerted on an object that is on a flat plane, as that force is perpendicular to the weight it doesn't affect it at all, only the friction does (from the reaction), which I assume was negligible?
I'm in confusion, I thought if a force is exerted on an object that is on a flat plane, as that force is perpendicular to the weight it doesn't affect it at all, only the friction does (from the reaction), which I assume was negligible?
if we are on about the same question, that's what I thought until I heard everyone talking about the force F being the same as something because the raindrop was in equilibrium- seriously fml i'm so sc****d, I just put it's 0 because cos90=0
one thing schools need to realise and really emphasise is how ****ing **** the textbook for OCR AS physics is. The section on reflection doesn't even really tell you what it is! CGP or whatever its called revision guides are pretty good and the internet will have loads of stuff! i can imagine some schools dont emphasise the crapness of the textbook as much as ours do
SO TRUE! ugh I hate them, if I was my school I would not trust an exam board that approved the waste of paper they call a textbook. Luckily my school barely ever uses them but they still manage to get on my nerves