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

1. (Original post by Cal 1)
I did this, but made t the subject and subbed it in, forming an equation with v in it. I solved this and I THINK I got somewhere around 14 but can't really remember! My equation looked disgusting😂
Yeah, I did that as well, because it looked easier to do otherwise you would have to square the value for v then rearrange
2. (Original post by jtebbbs)
Worked answers to ramp and football questions:
Attachment 554193554195Attachment 554193
ur writing is goergous
3. (Original post by postexamtalk)
i found the distance of each and found the difference between distances rather than finding difference between the displacements and then finding distance
Did the same as you but I think we will only lose 2 marks max at least
4. (Original post by gcsekid)
Attachment 554175
Ignore the pencil line
How are people getting 43 newtons for T
The force was acting down, so R= mg + Tsin60
5. How many marks would you get /3 if you equated the mass in the momentum question to be 335kg? Just 1? 2?
6. (Original post by A Slice of Pi)
Can anyone remember this 10 mark question? I'll have a go at it
Ano123 posted the numbers. Here it is:
A has an initial velocity 8i+4j and acceleration -0.2i+0.1j, started at origin.
B has an initial velocity 6i+9j and acceleration 0.2i-0.1j and started at position vector 40i+50j.
Find the distance between A and B when their velocities are parallel.
7. (Original post by jtebbbs)
Worked answers to ramp and football questions:
Attachment 554193554195Attachment 554193
Hi. For the football question i left out cos50 from ucos50. Otherwise i have everything as you do. I left it out by mistake. How many marks would i drop? Thanks
8. (Original post by Cal 1)
How many marks would you get /3 if you equated the mass in the momentum question to be 335kg? Just 1? 2?
negative 7 marks sorry :/
9. Grade boundary predictions anyone? I'm thinking 58/57 for an A?
10. (Original post by TheLifelessRobot)
Ano123 posted the numbers. Here it is:
A has an initial velocity 8i+4j and acceleration -0.2i+0.1j, started at origin.
B has an initial velocity 6i+9j and acceleration 0.2i-0.1j and started at position vector 40i+50j.
Find the distance between A and B when their velocities are parallel.
I get 106 units for distance (105. something)
11. (Original post by Cal 1)
How many marks would you get /3 if you equated the mass in the momentum question to be 335kg? Just 1? 2?
2 probably. 1 M1 and 1 A1.
Or 1 if there really nice
12. I got 109 for Q8 lol, how many marks u think i'll drop.
13. (Original post by OturuDansay)
I got 109 for Q8 lol, how many marks u think i'll drop.
If your thinking was alright 2 Max3
14. (Original post by Agent R5)
t=20
Fgs how did I read '12 seconds' so annoyed
15. (Original post by Cal 1)
The force was acting down, so R= mg + Tsin60
Oh sh*t
16. (Original post by OturuDansay)
Grade boundary predictions anyone? I'm thinking 58/57 for an A?
between june 14 and 15 i think
17. 100 UMS boundary? 68?

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18. (Original post by PiTheta97)
100 UMS boundary? 68?

Posted from TSR Mobile
most likely yeah. not lower than 67 not higher than 70, since it was kinda harder than last year's paper imo which was 70 for 100 ums :/
19. When your thinking too hard

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