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

1. (Original post by Tas0920)
does anybody know how many marks the moments question was altogether?
7 marks altogether
2. (Original post by SirRaza97)
7b told you the acceleration and the velocity of P at t=0. Can't remember the values. Acceleration is rate of change of velocity or in other words delta v/delta t = a. So you find delta v byt multiplying the acc. by 3 (3 = delta t). That value is the amount the velocity of P changed by from t=0 to t=3. So you add the starting velocity and the change in velocity. That gives you the velocity at t=3. Then you use pythagoras to find the speed and there you have it. Hope that makes sense.
I used V = u + at to work out the Velocity at t=3. Then used pythagoras to work out speed.

Does that sound okay?
3. (Original post by Tas0920)
does anybody know how many marks the moments question was altogether?
7 i think
4. Hi Guys does anyone have an unofficial mark scheme for the M1 today?
5. I love how they bombarded with quite hard questions and then made the last question so easy hahaha
6. (Original post by rindog3000)
7 marks altogether
thanks
7. (Original post by pereira325)
7 i think
thanks
8. Hey guys so basically, on the moments question, I got two sets of correct simultaneous equations. However, I then, instead of subtracting them, I added them together (thinking I was substracting so one of the variables still cancelled out). This caused me to get a wrong value for M and hence also a wrong value for d.

How many marks out of 7 do you think I would get?

hogree KloppOClock
9. can anyone remember and can tell me what the diagram in Q8 looks like???
Also, for Q4, for the graph, I drew the line for Train N under the line Train M but I got the correct answer for part b, would I still get the 4 marks for it as T was unknown in part a so I thought it doesnt matter...
10. Wait guys isn't the ans for 8b (the last Q) 8. something as it's 2Tcos45? How did people get 16.6N?
11. (Original post by Don Pedro K.)
Hey guys so basically, on the moments question, I got two sets of correct simultaneous equations. However, I then, instead of subtracting them, I added them together (thinking I was substracting so one of the variables still cancelled out). This caused me to get a wrong value for M and hence also a wrong value for d.

How many marks out of 7 do you think I would get?

hogree KloppOClock
So its 7 marks, here is how I think the marks could be broken down.

2 marks for each moment equation
1 mark for simultaneously solving

1 mark for subbing d into equation with m
1 mark for correct answer of d
and there would be a third mark in this part somewhere?
12. how many marks was each question worth?
13. (Original post by SirRaza97)
I dont think so. 11.76 is the exact answer so I would be suprised if you did. Lilkely will have an AWRT (Anything which rounds to 11.8)
If g is involved in the question then you have to round to 3sf or 2sf (as is stated in the instructions on the front of the paper) so it won't be awrt - you can lose up to 1 mark for this per question
14. (Original post by tsingb)
can anyone remember and can tell me what the diagram in Q8 looks like???
Also, for Q4, for the graph, I drew the line for Train N under the line Train M but I got the correct answer for part b, would I still get the 4 marks for it as T was unknown in part a so I thought it doesnt matter...
For question 4 the areas have to be the same because the area is the distance and they both traveled 975m (I think?) so the N has to be above M. Normally you get a mark for the shape of the graph and where one crosses the other twice so at most you'd probably lose 2 marks
15. (Original post by KINGYusuf)
Wait guys isn't the ans for 8b (the last Q) 8. something as it's 2Tcos45? How did people get 16.6N?

2*11.76*cos45=16.6

you are right that its 2tcos45, did you have the correct value of T?
16. Are you sure that for question 5, μ was to 2 significant figures and that 8b asked for the angle?
17. (Original post by KloppOClock)
So its 7 marks, here is how I think the marks could be broken down.

2 marks for each moment equation
1 mark for simultaneously solving

1 mark for subbing d into equation with m
1 mark for correct answer of d
and there would be a third mark in this part somewhere?
In the May 2013 mark scheme:

18. does anybody remember the wording of the scale pan question part b? thanks
19. (Original post by Person18)
I did the same thing! I'm glad it's not just me. D = 2.25m as well right?

I don't understand either, I did the whole simultaneous thing
yep 2.25 I think we we at least get most of the method marks
20. (Original post by Don Pedro K.)
In the May 2013 mark scheme:

Was the May 2013 also worth 7 marks? I also did the same thing as you, and I'm hoping for atleast 3 marks if not 4.

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