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Discussion in 'International A And AS Level' started by XPFMember, Sep 8, 2011.
Yup 20 m here too
lmao i got 1100
man i did sooooo bad in maths this year....i wish i get the chance to resit it in ON...Man stress can kill someone's confidence, like my level in pure maths was sooo good that i excpected to score a full mark (that's how well i was in pure) but then i saw the yellow paper and got shocked then i started stressing and ended up doing some random shit....mechanics it was my fault for not paying it much attention..sigh, a hard lesson learnt the hard way
Okay fellas! Now I know this question has already been answered but I really need opinions of more than just 1 person. My value for mew was about 5.2. How much marks am I really expected to lose here. The question was worth 7 marks just so you know.
no way you will lose alot of marks. I say youd gain marks for implying the rule for friction. One of the two equations you set is correct but the other is wrong so something like 4/7
(Btw you are one the few people who got 5.20 and think they are were wrong... Do you know what went wrong for you? Thanks)
I seriously don't know what did. I can explain you the way I did it though. I solved the problem by simply taking the direction of P acting up the line of greatest slope for 1 case and down the slope for the other one. Also changed the directions of friction. Made 2 simultaneous equations multiplied the smaller one with 2 and then just solved it. Thanks for the opinion though!
I don't know bro, it's a 50/50 question for me... The question was weird, they should have told us whether to take the force up the slope or down. Until I ask my teacher about the question I can't say anything, but again the reason by 5.2 is unlikely to be the answer is because 5 is too big to be a coefficient of friction
stress can kill a person's confidence and basically every positive thing in conditions like this. Its a hard battle but please, relax for a second and think of all the hard work you have done. Don't panic before the paper, have faith in your preparation and the fact that god will reward all your hard work. Good luck for your exams ahead!
there have been previous questions in old past papers where a similar situation was constantly dealt with. they expect you to take 2 cases where in one its on the point of slipping up and another where its on the point of slipping down!
Till where my knowledge lies that statement (the one with slipping up and down ) changes the question as in that case we would only have changed the direction of the friction, but here since the direction of P wasn't specified, I think we were expected to change the direction of P. What do you say?
I think so but then again a value of 5.2 is way too large to be a coefficient of friction.. They also said P is applied to maintain equilibrium so i assumed they meant the box failed to stay at rest without P acting on it meaning it was falling.... so P had to act upwards? I dont know :/
I know there have been many questions in previous past papers like this, but in those past papers the direction of the force was specified and in this question it wasn't, that is my only issue. I chose to change the whole point of slipping up and down thing, but I am unsure about whether it is the right answer since the question did not specify where P acted :/
Hey in that mechanics paper 5th question. i did the question but i messed up the simplification part when applying to up the slope and down and i think interchanged the two. anyway i got the final ans though 0.577. how much marks would i lose.
Overall paper was okay (expecting a B :/)
Quite annoyed at how they changed up the p.d.f question and the fact the Hypothesis testing errors came for 7 marks
I've heard not so great feedback so I don't think it will be that high
Didn't the say "explain, with a reason"?
Guys a lil weird to post here
But if anyone has any Feb march papers for any commerce subject (business, account or economics)
pls message me
does anyone have feb/march 2018 paper 6 ?
which one are you talking about? That Time limit one or the previous one with Points ABCD ?
the paper went really bad conpletely opposite to P1 , i dont rven know where i went wrong but my ans are wrong .
Can Any one tell me that why had mew to be .57? My all class fellow got it except for me
No they just asked to calculate the probability... there was no need to write >15
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