username1763791
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#1
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How did everyone it? In general I don't think it was much harder than other year's, but Q6 was a killer.
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Golden hawk
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(Original post by Jordan\)
How did everyone it? In general I don't think it was much harder than other year's, but Q6 was a killer.
I found the paper OK but I completely screwed the pulley question up. What time did you get for the trains meeting each other
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username1763791
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#3
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(Original post by Golden hawk)
I found the paper OK but I completely screwed the pulley question up. What time did you get for the trains meeting each other
I got 1000s, but I know that's wrong. The answer was 400s! What did you get?

The pulley question was dreadful because of all of the unknowns. :confused:
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Golden hawk
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I got 400s so thank god for that, but I'm pretty sure I lost a load of marks on the pulley question, what did you get for the displacement of particle p to be when a equals 10 and also what did you get force x to be equally for the final question.
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(Original post by Golden hawk)
I got 400s so thank god for that, but I'm pretty sure I lost a load of marks on the pulley question, what did you get for the displacement of particle p to be when a equals 10 and also what did you get force x to be equally for the final question.
The displacement was 3m, I think.. and X = 81.4N or something like that, I'm just going off of the top of my head! What did you get for them?
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username1763791
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#6
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(Original post by Golden hawk)
I got the exact same, what was the force diagram for the particle against the wall.
It was just simple drawing on the forces with the weight, and a reaction force from the wall where the particle was resting on it!
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Golden hawk
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was the reaction horizontal from the wall
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username1763791
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#8
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(Original post by Golden hawk)
was the reaction horizontal from the wall
Yeah, as it wasn't hinged or anything.
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Golden hawk
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did the tension oppose motion on the pulley? or did it help
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Golden hawk
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Also how many marks was the pulley question worth
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Itsmeey
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Are M1,C1 and C2 split evenly to make up our over all grade? like whats the worst i could do in all of them and still get an A?
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username1763791
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(Original post by Golden hawk)
did the tension oppose motion on the pulley? or did it help
There was tension going each way; away from the pulley and into the pull, but when considering the pulley on it's own you only considered the tensions the 'came out' of the pulley.

I can't remember how much it was for, no more the 10 marks I don't think.
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Golden hawk
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(Original post by Itsmeey)
Are M1,C1 and C2 split evenly to make up our over all grade? like whats the worst i could do in all of them and still get an A?
Yeah all those modules are split evenly, you need 240 ums out of 300 ums for a grade A but I have no idea what the raw mark grade boundaries are
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Itsmeey
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so is that like 80% when make them all out of 33.3333% and add them up?
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Curtis5555
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Did everyone get the momentum to be 3.8 and impulse to be 7.2ms

also so for question two, s(height)=20.4m and it took 2.04 secs for ball the reach greatest height
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caoimheb100
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Yeah I got those as well! What did everyone get for the total distance travelled, i think i got 24.9
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NekoJyo
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I was repeating M1. I was really disappointed with it because I love M1 and I found this paper quite difficult. The first few questions were a breeze though.

Here are the answers I got (I imagine quite a few of these are wrong)
1)i) 3.8ms^-1
1)ii) 7.2Ns (Iffy about this)
2)i) 20.4m
2)ii) 2.04s
2)iii) 24.9m
3)ii) 78.3N
3)iii) 27.8N
4)ii) 500s (I was convinced I was right until I started reading this thread)
4)ii) 592s
5)i) 20ms^-1
5)ii) 3m
6)ii) (F+20m)/m (This question killed me)
6)iii) -3F-30m
6)iv) F=-50m (Let's not even discuss how wrong I think I am here)
7)ii) 45.9N
7)iii) 67.6N
8)ii) 72.6N (No one in my class got the same answer for this question and I have never liked inclined planes)

Now I am going to go cry in a corner. I really want an A in Maths and I was really confident that I might because C3 went so well for me yesterday (I think I managed 72/75 in it), but I can't even guess what I got in M1.
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caoimheb100
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Also resultant force at pulley question was 4 marks, I totally messed it up too
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Golden hawk
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#19
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(Original post by NekoJyo)
I was repeating M1. I was really disappointed with it because I love M1 and I found this paper quite difficult. The first few questions were a breeze though.

Here are the answers I got (I imagine quite a few of these are wrong)
1)i) 3.8ms^-1
1)ii) 7.2Ns (Iffy about this)
2)i) 20.4m
2)ii) 2.04s
2)iii) 24.9m
3)ii) 78.3N
3)iii) 27.8N
4)ii) 500s (I was convinced I was right until I started reading this thread)
4)ii) 592s
5)i) 20ms^-1
5)ii) 3m
6)ii) (F+20m)/m (This question killed me)
6)iii) -3F-30m
6)iv) F=-50m (Let's not even discuss how wrong I think I am here)
7)ii) 45.9N
7)iii) 67.6N
8)ii) 72.6N (No one in my class got the same answer for this question and I have never liked inclined planes)

Now I am going to go cry in a corner. I really want an A in Maths and I was really confident that I might because C3 went so well for me yesterday (I think I managed 72/75 in it), but I can't even guess what I got in M1.
For question 3 I got the tension was 118 N and the reaction from the wall was 24.3 N and for question 8 I got that force X was 81.4 N. For question 7 I remember using trigonometry to get an angle and then taking moments about A to find the reaction at C and then to find the reaction at A you took the weight of the ladder and you took it away from the vertical component of the reaction at C. I don't remember what I got for this question and the two trains definitely met at 400s. Can someone confirm if my methods or answers are correct
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username1763791
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#20
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Yeah, I got all he same (y)
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