gandanmo
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#741
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#741
(Original post by fizzbizz)
DAMN I put kgms^-2

I was thinking of F and not Ft
i put that first aswell then noticed :O
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The H
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#742
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#742
(Original post by Jack93o)
so you put the answer as 'horizontal, BLV'?
Yeah
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Stellios
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#743
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#743
(Original post by MSI_10)
Started at 0, EMF was max when linkage was 0, probs wrong though..
EMF is rate of change of flux, when flux is at max emf = 0 and vice versa so it should be a positive sin curve
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MSI_10
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#744
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#744
(Original post by The H)
Yeah
Which was answer B?
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MSI_10
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#745
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#745
(Original post by Stellios)
EMF is rate of change of flux, when flux is at max emf = 0 and vice versa so it should be a positive sin curve
Yeah I did this too
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gandanmo
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#746
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#746
(Original post by Qwertish)
The graph started from 0, with a peak of your peak emf from the previous part and the same frequency as the other graph which was already there.
so id get 0/2? and what did yall get for them peak? i think i got 1.1/20 instead of 1.1/20x10-3 id drop 1 there hopefully
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The H
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#747
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#747
(Original post by MSI_10)
Which was answer B?
I think B might actually have been that one
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Stellios
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#748
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#748
(Original post by Jack93o)
was that answer B?
It was either A or B, for some reason i'm thinking A but I could be wrong
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Jack93o
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#749
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#749
(Original post by MSI_10)
Which was answer B?
I think so
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Jack93o
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#750
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#750
boundary for 120ums guys?

I think on the whole, it was an okay-slightly hard paper

section A was slightly harder than usual IMO
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MSI_10
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#751
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#751
(Original post by The H)
I think B might actually have been that one
Do you remember what you got for the force between P and Q when R decreased? Answers were 0.5F, 2F, 4F and 8F IIRC

And the potential of Mars? Guessed 25MJ lol
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Dirtybit
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#752
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#752
E>S>M was A....
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Jack93o
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#753
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#753
(Original post by The H)
Yeah
on a scale of 1 - 10

how sure are you that the answer is 'horizontal, BLV'?

...**** I'm getting paranoid
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Qwertish
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#754
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#754
(Original post by Jack93o)
boundary for 120ums guys?

I think on the whole, it was an okay-slightly hard paper

section A was slightly harder than usual IMO
Lower than normal, I think. Section A was a bit harder than normal, and loads of people would have got 1c or the peak emf one. QWC question was pretty straightforward though, so that might balance it out.
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The H
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#755
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#755
(Original post by MSI_10)
Do you remember what you got for the force between P and Q when R decreased? Answers were 0.5F, 2F, 4F and 8F IIRC

And the potential of Mars? Guessed 25MJ lol
I put 8F ( If i'm thinking of the right question) and I also guessed the Mars one, but I think I should have put 25MJ
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flashbackto1999
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#756
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#756
(Original post by MSI_10)
Do you remember what you got for the force between P and Q when R decreased? Answers were 0.5F, 2F, 4F and 8F IIRC

And the potential of Mars? Guessed 25MJ lol
It was definitely -13MJ.
EDIT: look at Q7 http://www.cyberphysics.co.uk/Q&A/KS...tionMCANS.html
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Qwertish
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#757
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#757
(Original post by Dirtybit)
E>S>M was A....
Did you get E>S>M?
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IrrationalDonkey
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#758
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#758
What do you think the grade boundaries for this exam are gonna be like?
And have we got a completed mark scheme yet (To be honest I hope not)
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Qwertish
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#759
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#759
(Original post by MSI_10)
Do you remember what you got for the force between P and Q when R decreased? Answers were 0.5F, 2F, 4F and 8F IIRC

And the potential of Mars? Guessed 25MJ lol
It was 8F I think (2 × 2^2) and 13MJ
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Dirtybit
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#760
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#760
(Original post by Qwertish)
Did you get E>S>M?
Yeah
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