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M1 Edexcel MEchanics
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ok go for it, thats quite smart - storing it.
alcampo i can't remember the line before mu
it was something like mu R = Tcos40 or whatever angle it was and whatever T was.
alcampo i can't remember the line before mu
it was something like mu R = Tcos40 or whatever angle it was and whatever T was.
I had mu= 0.5 I think.. But, I couldn't see why I'd get soo many marks for that.. Thought I missed out on something major.
Yeh, I got 0.6 for ad I think.. Can't quite remember though. I totaly ****ed that up to begining as didn't see that the mass of the rod was 8 (or whatever the number was) and so was placing another mass at the centre whihc I also needed to work out.. which was impossible.
And 11 for V in the speed/time graph.
I thought the whole paper was very easy. but, I messed up most things first time and had to redo them and took up a lot of time.. so I didn't get the paper finsihed.. didn't even start the vector question or finish the pulleys question.
Yeh, I got 0.6 for ad I think.. Can't quite remember though. I totaly ****ed that up to begining as didn't see that the mass of the rod was 8 (or whatever the number was) and so was placing another mass at the centre whihc I also needed to work out.. which was impossible.
And 11 for V in the speed/time graph.
I thought the whole paper was very easy. but, I messed up most things first time and had to redo them and took up a lot of time.. so I didn't get the paper finsihed.. didn't even start the vector question or finish the pulleys question.
alot of people in my class ran out of time, but i always finish early its a bad thing because i am too lazy to go over my answers. like mechanics today i finished 45 minutes early.
alcampo
yes please if you could. how'd you store answers on a calculator?
What I did, I used the A - F and X, Y, M standard memory slots, and ignored the "show that" questions.
Sometimes I "doubled up" with three zeros. For example, if I wanted to store 2 and 5, I would put 20005. If I wanted to store 2 and 0.5, I put 2000.5
Not the best method, but works well with my bad memory!
yeah along those lines i can't really remember but my answer was 0.55 so i must have wrote 20.
someone please post the questions asap; i forgot what they were -___-
anyone get 1.34 seconds for the time elapsed on that pulley question....i thought it was wrong cause it seemed like alot happened in such a short space of time...but some of you guys have got 0.86!
Bah.. I managed to screw up on the last question which was like worth 5 marks and 3 marks... 
On a sidenote... everything seems to be going alright so far, will we be able to get the exact answers sometime soon?
On a sidenote... everything seems to be going alright so far, will we be able to get the exact answers sometime soon?
i did terrible, i ****ed up the mass q on the tesnion one and ****ed up the lambda one
i finished in about 45 minutes and there are people here saying they didnt have enough time. the paper was quite easy tbh. the only question i messed up on was the pulley bit. instead of using -b i did +b divided by 2a for the quadratic formula. possible grade boundaries anyone?
talentless
i finished in about 45 minutes and there are people here saying they didnt have enough time. the paper was quite easy tbh. the only question i messed up on was the pulley bit. instead of using -b i did +b divided by 2a for the quadratic formula. possible grade boundaries anyone?
I reckon that this paper was a bit harder in comparison to Jan 2007 and June 2006 and there were more places where errors could occur so I would say it would be a bit lower. Around 62-64 would be my bet for an A.
There were plane/inclined questions, grr! I love 'em!
any1 pls check all answer i got.
Q1: a. T= 35.086N
b. W= 32.97N
Q2: a. m= 0.5kg
b. I= 3Ns
Q3: a. R= 2N
b. S=0.6m
Q4: a. V=11m/s
b. a=-1.75m/s^
Q5: a. 1.68
b. 0.55
Q6: a. a=2.8m/s^
b. T= 3.5N
c. 5/18 shown
d. t= 0.43s ( i think i got wrong here)
Q7: a. 2i+6j
b. (3+2T)i + (-4+6T)j
c. &= -2
d. 2¬10 km/h ( is this the proper answer for the question?)
hope any1 please check it..
thankssss
Q1: a. T= 35.086N
b. W= 32.97N
Q2: a. m= 0.5kg
b. I= 3Ns
Q3: a. R= 2N
b. S=0.6m
Q4: a. V=11m/s
b. a=-1.75m/s^
Q5: a. 1.68
b. 0.55
Q6: a. a=2.8m/s^
b. T= 3.5N
c. 5/18 shown
d. t= 0.43s ( i think i got wrong here)
Q7: a. 2i+6j
b. (3+2T)i + (-4+6T)j
c. &= -2
d. 2¬10 km/h ( is this the proper answer for the question?)
hope any1 please check it..
thankssss
Hi, noob here!
I'm reasonably happy on 6e having seen the same answer here. I think the method is to use s=0m, not v=0, because the string becomes taut again when Q gets back to the same height it was at when P hit the ground. Then a=-g and u=4.2
I ended up not needing to factorise or use the quadratic formula afterwards too, since t=0 is clearly the solution you don't want. So divide through by t and you get 4.2 = 4.9t. Well, I really hope that's what you get, anyway.
Did I misread it, or didn't the last part of 4 ask for DEceleration so you get +1.75? Anyone else remember either way?
I'm reasonably happy on 6e having seen the same answer here. I think the method is to use s=0m, not v=0, because the string becomes taut again when Q gets back to the same height it was at when P hit the ground. Then a=-g and u=4.2
I ended up not needing to factorise or use the quadratic formula afterwards too, since t=0 is clearly the solution you don't want. So divide through by t and you get 4.2 = 4.9t. Well, I really hope that's what you get, anyway.
Did I misread it, or didn't the last part of 4 ask for DEceleration so you get +1.75? Anyone else remember either way?
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