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# AQA MM1B - Mechanics 1 -Tuesday 21st June 2016

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1. (Original post by GabbytheGreek_48)
they usually say the magnitude of displacement if the want that or just distance
I couldn't decide whether to leave it in vector form or find the magnitude... But then I thought that they normally ask for the 'position vector' if they want it in vector form. Idk
2. For the time on the football question for some reason I used 12.5ms-1 instead of 12 so got the wrong time, but for the horizontal distance and the new speed for it to be kicked I used 12ms-1 so got the right answers relative to my wrong time in the previous question.
How many marks would I drop for this?
3. (Original post by OturuDansay)
Grade boundary predictions anyone? I'm thinking 58/57 for an A?
Lower. About 53/54 if not lower. I found June 14 the same or easier in comparison.
4. (Original post by PiTheta97)
100 UMS boundary? 68?

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yeah like 68/69/70/71
5. Can someone post the working for the tension question :/ thanks
6. I was confident with an answer of 302m for question 8 until I read this ahaha.

Did no one get that?
7. I think its safe to say this is the easiest exam i have ever sat. On par with GCSE maths. Expecting around 99 UMS.
8. (Original post by Chickenslayer69)
Can someone post the working for the tension question :/ thanks
This is how I did it (if it's correct haha)
Attached Images

9. Does anyone know if there's an M2 thread yet?
10. my method was right for the last question but i made a stupid mistake early on and said t=10 rather than 12. the rest of the question I carried out with the right method but with the wrong value of t what. how many marks to you reckon i will drop out of 10 with this one mistake?

thanks
11. Can someone post a markscheme with all the marks please?
12. (Original post by rainbowtwist)
This is how I did it (if it's correct haha)
Thanks
13. (Original post by rainbowtwist)
This is how I did it (if it's correct haha)
I did it exactly the same, but my answer came out to the 168N. I think I've pressed my calculator wrongly
How many marks will I drop? (((

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14. Can someone post the question for Q1 please? Thanks
15. my method was right for the last question but i made a stupid mistake early on and said t=10 rather than 12. the rest of the question I carried out with the right method but with the wrong value of t what. how many marks to you reckon i will drop out of 10 with this one mistake? will they then give me marks for using the position vector with my value of t then finding the corresponding distance?

thanks
16. (Original post by Cal 1)
The force was acting down, so R= mg + Tsin60
Yea I put that too
17. (Original post by jtebbbs)
Worked answers to ramp and football questions:
Attachment 554193554195Attachment 554193
Yep that's what i got
18. so did anyone else get 4 killometers for question 8? i got my mechanics teacher to check it and he said it was right. glad i got that one in the bag, easiest 10 marks in my life. dam the momentum question, who knew a ball could weigh 4 tonnes. feel sorry for people who got 106m for question 8, people forgot to square it. luckily i got my teacher to check this too, what a legend.
19. (Original post by Dynamic_Vicz)
Yep that's what i got
i got this too.
20. (Original post by Chickenslayer69)
Can someone post the question for Q1 please? Thanks
Someone post Q1 pls thx

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