The H
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#661
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#661
(Original post by oli_G)
I got more than 0.26 as \frac{V_sI_s}{V_pI_P} < 1


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I also got that, 460 and more than 0.26 right?
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MSI_10
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#662
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#662
Am I the only one who put 2.62 radians for the conversion from 150 degrees? 1 radian is 57.3 ish so I divided 150 by 57.3 and got 2.618 something.. Probs wrong
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bean595
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#663
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#663
I got u move the rod vertically and blv
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The H
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#664
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#664
In section A, did anyone else get 1/3 for the ratio d/y?
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MSI_10
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#665
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#665
(Original post by fizzbizz)
12000ns (b) for question 2 about momentum?
20,000n

8000 kg x 2.5 = (12,000+8000) x 1
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cooldudeman
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#666
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#666
(Original post by The H)
In section A, did anyone else get 1/3 for the ratio d/y?
Yeah

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Gernick
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#667
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#667
(Original post by fizzbizz)
The moon is pea size compared to the Sun, surely the sun would give a larger force?
I got E>S>M..


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Dirtybit
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#668
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#668
(Original post by cooldudeman)
I thought moon would be more than sun since the moons distance was smaller than sun's

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(Original post by The H)
Depends how far away the sun is though doesn't it
They gave the values in the question so I presume you can use them to work out the value of g . I did this and the sun had a larger value than the moon
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Jack93o
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#669
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#669
would the sparks be brighter for the capacitor question?

I put that although energy stored would be greater, it wouldn't be brighter as the energy would just last longer instead
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Dirtybit
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#670
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#670
(Original post by The H)
In section A, did anyone else get 1/3 for the ratio d/y?
Yeah but slightly guessed that
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Jack93o
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#671
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#671
(Original post by Dirtybit)
They gave the values in the question so I presume you can use them to work out the value of g . I did this and the sun had a larger value than the moon
I didn't get that question, it asks for gravitational strength on the satelitle, but it only gave distances from the earth to the sun/moon

it didn't give the distance from the earth to the satellite

I guessed B in the end, thats wrong isn't it?
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The H
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#672
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#672
(Original post by Dirtybit)
They gave the values in the question so I presume you can use them to work out the value of g . I did this and the sun had a larger value than the moon
I got larger for moon
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fizzbizz
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#673
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#673
(Original post by MSI_10)
20,000n

8000 kg x 2.5 = (12,000+8000) x 1
The question asked for the change in momentum of the 8000 kg truck, so the momentum before was 20,000 and the final was 8,000 giving a change of 12,000
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zbubbly
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#674
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#674
(Original post by bean595)
did anybody get 150 degrees and pi/3 for 5a?
it was rotating anticlockwise not clockwise so the answer was 60
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CR95
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#675
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#675
(Original post by CR95)
am i right in saying they only look at that red sheet you filled in for section A and not the question paper?
???/
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Dirtybit
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#676
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#676
(Original post by Jack93o)
I didn't get that question, it asks for gravitational strength on the satelitle, but it only gave distances from the earth to the sun/moon

it didn't give the distance from the earth to the satellite

I guessed B in the end, thats wrong isn't it?
Probably said the sattelite was near the earths surface
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Jack93o
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#677
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#677
oh yeah, for the induced emf graph, everyone started off at zero, right?

but did you draw it sloping up (to the positive part of the y-axis) in the first quarter of a cycle?
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cooldudeman
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#678
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#678
What did people get gor yhe number of revolutions in a minute on the last question?

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bean595
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#679
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#679
What did everyone get for question 24 on the multi choice about the rod moving in a magnetic field?
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MSI_10
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#680
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#680
(Original post by cooldudeman)
What did people get gor yhe number of revolutions in a minute on the last question?

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1500?
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