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Official M4 Edexcel Thread – Wednesday 15th June 2016 Watch

1. K=1 had me tripping for 10 minutes cause it was like 2 lines.

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2. I got :

tan = 1/sqrt 5
k=1
pi u/6 + 3
Sin-1(5/6) that is stable
x at time 0 is -6
3. (Original post by physicsmaths)
K=1 had me tripping for 10 minutes cause it was like 2 lines.

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Very true i did it in 1 minute when it was supposed to be 9 marks!!
4. (Original post by physicsmaths)
K=1 had me tripping for 10 minutes cause it was like 2 lines.

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Haha same because its kind of intuitive that the horizontal and vertical velocity components must be reduced by the same amount for it to remain parallel, no idea why it was worth 9 marks
5. (Original post by physicsmaths)
K=1 had me tripping for 10 minutes cause it was like 2 lines.

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I knew there had to be something wrong as I have given us 4 pages for this question despite question 1 having only 2 answer papers, I thought the answer had to be longer, but I gave up trying to find an alternative solution in the end.
6. T
(Original post by physicsmaths)
tan(90-x)=cotx.
You lose 2 I think.

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That's reassuring, thanks. Can't believe something so elementary made me mess up the question.

For q2 I essentially got cotx = kcotx. Do you reckon I'd lose around 2 here aswell? Thanks
7. (Original post by gagafacea1)
I got :

tan = 1/sqrt 5
k=1
pi u/6 + 3
Sin-1(5/6) that is stable
x at time 0 is -6
X=6 since v=-8e^-1

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8. (Original post by physicsmaths)
X=6 since v=-8e^-1

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SHOOT!! How many marks is that mistake, do you think?
9. (Original post by gagafacea1)
SHOOT!! How many marks is that mistake, do you think?
1/2.
10. Is there a poll for how difficult people found the exam?
11. (Original post by ombtom)
Is there a poll for how difficult people found the exam?
Not that i know of, you should make one anyways (if you want to), it was mostly TeeEm who made them.
12. (Original post by gagafacea1)
Not that i know of, you should make one anyways (if you want to), it was mostly TeeEm who made them.
Done.

http://www.thestudentroom.co.uk/show....php?t=4166971
13. How many marks were available for each question/part?
14. (Original post by ombtom)
How many marks were available for each question/part?
From what I remember it was something like:
Q1. 8 marks
Q2. 9 marks
Q3.a 6 marks
b 5 marks
Q4.a 3 marks
b 3 marks
c 5 marks
Q5.a 3 marks
b 6 marks
c 3 marks
d 4 marks
e 5 marks
Q6.a 6 marks
b 5 marks
c 4 marks
This adds up to 75 but I'm sure this isn't 100% right
15. (Original post by Pyslocke)
T

That's reassuring, thanks. Can't believe something so elementary made me mess up the question.

For q2 I essentially got cotx = kcotx. Do you reckon I'd lose around 2 here aswell? Thanks
1 i reckon.
16. (Original post by ombtom)
How many marks were available for each question/part?
How'd you find it?
17. (Original post by Euclidean)
How'd you find it?
Terrible. I didn't get the final answer for Q1, and completely messed up half of Q4 and Q5. I might get a lot of method marks, but I won't know until I see the questions again.

Honestly, I don't think it was a particularly hard exam, I just wasn't awake.
18. (Original post by ombtom)
Terrible. I didn't get the final answer for Q1, and completely messed up half of Q4 and Q5. I might get a lot of method marks, but I won't know until I see the questions again.

Honestly, I don't think it was a particularly hard exam, I just wasn't awake.
Sorry to hear that.

Is M4 particularly important for you or is it more of a throwaway module?

I think given the way they award grades you'll still do great overall, but I know the feeling... At least you did it in M4 and not FP1 like I did!
19. (Original post by Euclidean)
Sorry to hear that.

Is M4 particularly important for you or is it more of a throwaway module?

I think given the way they award grades you'll still do great overall, but I know the feeling... At least you did it in M4 and not FP1 like I did!
I can fail 8 exams and still meet my university offer so it's fine. I'm only doing Further Maths to help prepare for uni, and I've definitely achieved that. Today has knocked my confidence for M5, but at least I still have M2.
20. (Original post by ombtom)
I can fail 8 exams and still meet my university offer so it's fine. I'm only doing Further Maths to help prepare for uni, and I've definitely achieved that. Today has knocked my confidence for M5, but at least I still have M2.
Flipping heck that's good. You must have some crazy UMS scores

I haven't started M5 revision yet, forgot a lot of the dynamics stuff -.-

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