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Edexcel AS/A2 Mathematics M2 - 17th June 2016 - Official Thread

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Personally I think the paper looked weird af but was alright if you applied your mechanics. I can never do centre of mass questions anyways so I probably got that wrong (oh well). Other than that the paper was super non-standard with a lot of weird questions. Also anyone who did FP2 will understand that p,q and r and no longer part of my alphabet as they are disgusting letters and should be killed with fire.
Reply 301
Avatar for SHJBHB
SHJBHB
1
Can someone help?

For 4a) I got 0.8299 or whatever it was and then rounded it wrong somehow to write 0.823. Will I lose the A1 mark or will they see the answer as 0.8299 and look no further?
Reply 302
Avatar for Tb3636
Tb3636
1
Original post by nitromeguy
Answers to edexcel m2 uk paper
1 a) 4ms-2 b) 11/3
2) P =4900 R = 784 d= 53.1
3) c= 10/3
4) x =0.83m, angle 113.6
5) a) friction = (5gdsinthetacostheta)/4
Reaction= (5g/4)(4-dcos^2theta)
b) d = 2.56m
6)a) lambda = 30/7 b) speed 10.4 angle 73.6
7) a) Va = 3u/20 Vb = 21u/10 b) e=1/14 c) no since moving at same speed in same direction


agree with all appart from 4. i got 0.495 and 122 degrees i think but centre of masses are my weakest point
Poll for the UK paper: http://www.thestudentroom.co.uk/showthread.php?t=4171568
Original post by HarshaPeed
Marks for each Question:
1a) 8
1b) 5
2a)6
2b)4
3)6
4a) 5
4b) 4
5a) 8
5b) 4
6a) 6
6b)7
7a)7
7b) 3
7c) 2


You are my new favourite person. Thank you soooo much 😊
Weird but doable paper, it was okay, probably 67 for A*.
Reply 306
Avatar for USB111
USB111
3
Original post by Sophie Wilczek
100 UMS in both c3 and c4
Cause you need 480/600 to get an A


Original post by HarshaPeed
Personally I think the paper looked weird af but was alright if you applied your mechanics. I can never do centre of mass questions anyways so I probably got that wrong (oh well). Other than that the paper was super non-standard with a lot of weird questions. Also anyone who did FP2 will understand that p,q and r and no longer part of my alphabet as they are disgusting letters and should be killed with fire.


Please post ur workings to see if i got them. Im so worried
Reply 307
Avatar for linaxq
linaxq
2
Original post by Tb3636
agree with all appart from 4. i got 0.495 and 122 degrees i think but centre of masses are my weakest point


73.3 or 73.6 please do the calc again it was ->>>>>3ms and 10 down so arctan 10/3
Original post by 1lilypad1
No, don't worry! That was seriously scary, I skipped nearly all the questions at first.


Posted from TSR Mobile


Thanks, that's reassuring 😃

Posted from TSR Mobile
Original post by linaxq
sadly i got the same and its wrong they wanted it from 2 to 3 sec not 0 to 3


I did the same, how many marks do u think we would lose out of 5? I reckon we could be given at least 2 - for integrating currently and finding the value at t=3?
Reply 310
Avatar for linaxq
linaxq
2
Original post by nitromeguy
Answers to edexcel m2 uk paper
1 a) 4ms-2 b) 11/3
2) P =4900 R = 784 d= 53.1
3) c= 10/3
4) x =0.83m, angle 113.6
5) a) friction = (5gdsinthetacostheta)/4
Reaction= (5g/4)(4-dcos^2theta)
b) d = 2.56m
6)a) lambda = 30/7 b) speed 10.4 angle 73.6
7) a) Va = 3u/20 Vb = 21u/10 b) e=1/14 c) no since moving at same speed in same direction

73.3 or 73.6 please do the calc again it was ->>>>>3ms and 10 down so arctan 10/3
Oops, I expressed the angle as a bearing :frown: so I did '73+90=163 as a bearing'.
This paper was really bad. had to skip questions 4 and 7 completely!
Original post by linaxq
73.3 or 73.6 please do the calc again it was ->>>>>3ms and 10 down so arctan 10/3


It was 73.3 degrees.
Reply 314
Avatar for linaxq
linaxq
2
Original post by 1asdfghjkl1
I did the same, how many marks do u think we would lose out of 5? I reckon we could be given at least 2 - for integrating currently and finding the value at t=3?


hope so maybe 1-2 most likely 1

ms normally says something like integrated by itself or between something then it goes on to say subbed in 3 etc idk hopefully 2 but 1 most likely
Original post by HarshaPeed
Personally I think the paper looked weird af but was alright if you applied your mechanics. I can never do centre of mass questions anyways so I probably got that wrong (oh well). Other than that the paper was super non-standard with a lot of weird questions. Also anyone who did FP2 will understand that p,q and r and no longer part of my alphabet as they are disgusting letters and should be killed with fire.


I feel you! I ****ed that up on fp2 but when I saw them today I was like "not today mofos! I got this" 😂
Poll for the UK paper: http://www.thestudentroom.co.uk/showthread.php?t=4171568
Am I the only one who got 0.28m for the centre of mass. Also if this is wrong but I did the right method for the angle can I get all four follow through marks? My angle was 128 btw.
Welp, I said gravity acted sideways, messed up all of Q6 for me.
Q4 I messed up my COM ending with me getting 70 degrees as overall angle.
Q1 last part I said between 3 and 4 not 2 and 3.
Apart from that it went OK.
Reply 319
Avatar for linaxq
linaxq
2
Original post by Mattematics
It was 10.4 down.


no it was 10 in vertically 3 across and 10.4 diagonally (which is what you were looking for)

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