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# Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST Tweet

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1. Edexcel M1 16 May 2012 Post Exam thread - Paper and Solutions in the FIRST POST
M1 May 2012

Overall I would say this was a fairly easy paper.

Q1 – Momentum and Impulse – Pretty easy.
Q2 – Moments – Very easy.
Q3 – Equilibrium on an inclined plane – standard, nothing tricky at all about this question.
Q4 – Speed time graph – standard, fairly easy.
Q5 – Linear kinematics / Dynamics – a) standard, it is on every other paper! b) A bit weird, I thought it odd how far it travels.
Q6 – Vectors – a-c) very easy d) was more challenging
Q7 – Connected particles – A very similar question was on a past paper, thrust finally returned in part e) bloodbath! But only 3 marks.

I think the average mark will be quite high on this paper and I would expect higher than normal boundaries
I am going to guess

75 = 100ums
69.5 – 90ums
64 – 80ums
57 – 70ums
50 – 60ums
43 – 50ums
37 – 40ums

A couple of points....

It is fine to leave answers in terms of g, or in fractional form. However, when an approximation for g is used answers should be given to 2sf but 3sf is fine, anything more than 3sf will be probably be punished.

Thrust is a PUSHING force, it can only occur in rigid bodies and acts in the opposite direction to tension which is a PULLING force. Thrust has only ever appeared once before, June 2009. It was an absolute bloodbath and was partly due to the very low boundaries.

This thread will be locked at somepoint and then unlocked at midnight following the Mechanics 1 examination. I will upload the paper and my solutions to this post.

I will do my best to answer questions about the paper but please try to read the thread first so that I am not answering the same questions lots of times.Here are some links to previous M1 threads, they are worth a read and you will see what the common errors were...

Jan 2012 - http://www.thestudentroom.co.uk/show....php?t=1900075

June 2011 - http://www.thestudentroom.co.uk/show....php?t=1619086

The second one has loads of past papers, mark schemes, model solutions etc

Good luck tomorrow.
Attached Files
2. 12 May M1 RA.pdf (890.0 KB, 18214 views)
3. Last edited by Arsey; 17-05-2012 at 00:08.
4. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
Answers?
5. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
where are the answers
6. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
Best of luck everyone
7. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by Arsey)

THRUST

Go over the Thrust question from June 09, it is going to come up again at some point

Tension is a pulling force, tensions will point towards each other in a connecting object

Thrust is a pushing force, thrusts will point away from one another in a rigid connecting object
Nailed it.
8. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
I thought this paper was mixed! Some questions were so easy and some were ridiculous..
9. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by -Simon-)
Nailed it.
Paha, 1/8 N?
10. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
11. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
Bearing and final
Vectors ans?
12. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
Thrust?! Thrruuuuust?!
13. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
Yep, square root 25
14. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
15. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by -Simon-)
Nailed it.
I got 8.41N for that.. Not too sure I got it right though :/
16. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
Yep :-)
17. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
YES! And 2.125km or something like that for the other?
18. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
Yep I did.

Thought it was a decent paper, lost a few marks though. Need a low B over this and C4 to get an A overall though so I'm pretty happy!
19. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
Yes. I did.

And for the coefficient of friction, I got 0.13somethingsomething.
20. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
5km here but still not sure if it's right.
21. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
300 degrees for the bearing?
22. Re: M1 May 2012 Edexcel - Post Exam thread - Paper and Solutions in the FIRST POST
(Original post by oli_G)
Paha, 1/8 N?
I meant he had nailed what the last question would be on, but, yeah I got 0.125N

(Original post by StrawberryKoi)
Lol! Answerrrrrrrrrrrrs...? Come on guys let's not turn into zombies here.

While we're waiting, did anyone else get 5 km for one of the vector questions?
Yeah 3,4,5 triangle.
Last edited by -Simon-; 17-05-2012 at 00:08.
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