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# Edexcel M2/M3 June 6th/10th 2013 Watch

1. The Worlds Sh!test M2 paper tbh i want to see what our actual paper was like
2. (Original post by tr12)
goodbye uni
and hello to working in tesco,lol

I know how you feel .
3. (Original post by FLLF)
Yes and yes
yeahhhhhhhh, and did you add the velocities for the last part of question 7.

and what did u get for the angle of the lamina ??
4. I messed up the 2D motion one and got the first bit wrong by a wrong calculation although the rest of the wuestion had the correct working but wrong figures?im guessing no error carried forward?
Also any ideas of grade boundaries?
I found it very hard hope everyone ends up doing really well!

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5. (Original post by FLLF)
I did the same, ended up just crossing everything out and putting 20... There didnt seem to be a logical method
at least you got the marks, I didnt even realise it was 20!
6. Harder then usual papers but still managed 95ums.. 1 silly mistake but oh well..
7. For that horrible centre of mass q, after 30 mins I got the distance as 1/2m and the angle at 10.9 (from memory)... Can anyone confirm these?
8. i think for the distance one you were meant to integrate the velocity between the values of t=0 and 4, the answer was like 208/3???
9. (Original post by RYRK)
yeahhhhhhhh, and did you add the velocities for the last part of question 7.

and what did u get for the angle of the lamina ??
10.9 after some cosine rule trickery
10. (Original post by *mike)
Love how writing 20ms-1 for 3b got you 5 marks, I did all the differentiating and stuff to get 4.5 which is totally wrong
I thought 4.5 is right as if you sketched the graph that was actually the the highest speed.
11. (Original post by *mike)
Love how writing 20ms-1 for 3b got you 5 marks, I did all the differentiating and stuff to get 4.5 which is totally wrong
what i did that as well - how can a five mark question result in the answer 20!
12. (Original post by FLLF)
For that horrible centre of mass q, after 30 mins I got the distance as 1/2m and the angle at 10.9 (from memory)... Can anyone confirm these?

yes mate your absolutely spot on
13. (Original post by mmss)
i think for the distance one you were meant to integrate the velocity between the values of t=0 and 4, the answer was like 208/3???
Did the same at first, you had to integrate from t=0 to 2, then from t=2 to 4, because it changed direction... Came out at 24
14. (Original post by FLLF)
For that horrible centre of mass q, after 30 mins I got the distance as 1/2m and the angle at 10.9 (from memory)... Can anyone confirm these?
i got 0.5 as well but i got a different angle
15. Wtf was 7c on about? I just ended up restating the velocity of the 3rd particle
16. (Original post by Student8)
i got 0.5 as well but i got a different angle
I'm only going from memory, the angle was definatley about 10 degrees, well, at least that's what I got
17. when do you think arsey will put the mark scheme up ?
18. (Original post by Student8)
what i did that as well - how can a five mark question result in the answer 20!

(Original post by JackH12)
I thought 4.5 is right as if you sketched the graph that was actually the the highest speed.
Ask edexcel but tbh I am really unhappy that you could get 5 marks just by looking at the equation

@Jack I thought the same as you, I didnt even think to just look at the equation and sub in 0.

I lost marks on this question, the angle question and the question right at the very end, 14 marks lost, and to think I wanted 100 UMS lol
19. (Original post by FLLF)
I'm only going from memory, the angle was definatley about 10 degrees, well, at least that's what I got
i think your right - i got my angle question wrong

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