Edexcel AS/A2 Mathematics M1 - 8th June 2016 - Official Thread Watch

Mynameis12345678
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#1021
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#1021
Can anyone put up the working too im confused.
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Mia66
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#1022
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#1022
(Original post by Nesquickforce)
I got root5 over 2, how the hell were you supposed to do that question?? 😂
I think you have to do parallel vectors, there were so many vector question😂
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ozziew
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#1023
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#1023
1a 104 degrees
1bi not sure
1bii not sure
1c t=32
2a 20.6
2b 15.5
3 3 Ns
4a sketch 40, 30, 0, 25
4b 8.75
5 0.727
6i 1.2
6ii 42
7a 2.5 I + 2.5 J
7b 13
8a 11.8
8b 16.6


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SaadKaleem
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#1024
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#1024
Please head over to this thread for the IAL M1 Exam:

http://www.thestudentroom.co.uk/show....php?t=4149785
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montyrhodes
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#1025
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(Original post by xx_lofsuburbia)
Flip! I didn't give a bearing for the last question, but got 16.6. And I **cked up the second part of the vt graph question.
Otherwise, my answers look pretty similar to yours
Yeh I got all of those answers apart from the Impulse answer with the wall, I got 3Ns, probs got it wrong
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rafiuddin
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#1026
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#1026
Name:  14653789883231727116715.jpg
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Size:  498.9 KB

These answers are from several people agreeing on them from my year group, should be mostly right
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amelienine
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#1027
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#1027
(Original post by Nesquickforce)
I got root5 over 2, how the hell were you supposed to do that question?? 😂
Find the angles using the vectors they gave you, make a triangle of forces, use sine rule to find the magnitude of F2.

Since F2 is parallel to vector (i + j), the lengths would be equal. Then use sine rule again to find the length (which I found to be 2.5)


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rafiuddin
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#1028
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#1028
(Original post by ozziew)
1a 104 degrees
1bi not sure
1bii not sure
1c t=32
2a 20.6
2b 15.5
3 3 Ns
4a sketch 40, 30, 0, 25
4b 8.75
5 0.727
6i 1.2
6ii 42
7a 2.5 I + 2.5 J
7b 13
8a 11.8
8b 16.6


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Can you compare yours to the pic I posted
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unimaginable118
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#1029
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#1029
Does anyone remember what they did for the pan question?
for part a) I used T- particle x g = particles x a
I forgot what i got as an answer though:\
basically I used the values for the whole system instead of just one particle.
Is that right???
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xx_lofsuburbia
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#1030
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(Original post by amelienine)
Find the angles using the vectors they gave you, make a triangle of forces, use sine rule to find the magnitude of F2.

Since F2 is parallel to vector (i + j), the lengths would be equal. Then use sine rule again to find the length (which I found to be 2.5)


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I worked it out using simultaneous equations
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LukeB98
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#1031
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(Original post by Mia66)
What did everyone get for the force F2 on the vector question?
2.5i + 2.5j and the speed was 13 m/s

So obvious edexcel trying to trip us up at every corner. First question a vector one! Impulse question was a nightmare, I ended up with 3 Ns.

Moments question: d = 6/5, M=42
First vector one: 104 degrees, 640i + 640j
Lift question: T=20 something I think, R on pan = 15N
Kinematics graph: T=8.75 (or there abouts)
Statics problem: friction coefficient = 0.73
Second vectors: 2.5i + 2.5j and 13m/s
Dynamics pulley: T=11.something or (6g)/5 and resultant = 2Tcos45, at 45 degrees from the horizontal
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alexesl17
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#1032
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#1032
All those answers from bcmh are correct apart from the Impulse, it was 3Ns
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SnowLeopard27
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#1033
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#1033
(Original post by amelienine)
2.5 i + 2.5 j


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Lol I did this with simultaneous equations 😂
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rafiuddin
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#1034
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(Original post by montyrhodes)
Yeh I got all of those answers apart from the Impulse answer with the wall, I got 3Ns, probs got it wrong
Pretty sure the Impulse was 3
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amelienine
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#1035
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#1035
How many marks were allocated to question 6 and 8?


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unimaginable118
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#1036
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Does anyone remember what they did for the pan question?
for part a) I used T- particle x g = particles x a
I forgot what i got as an answer though:\
basically I used the values for the whole system instead of just one particle.Is that right???
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richpanda
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#1037
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#1037
I got 2.5 to 1 d.p for the Impulse question.
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kc006
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#1038
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#1038
grade boundary expectations anyone?
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metrize
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#1039
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#1039
Mind**** thr first time you do it
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xx_lofsuburbia
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#1040
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#1040
Is it just me, or did anyone else feel that for some of the questions with a lot marks available (such as q5 and q8a), they did very little working?
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