UNOFFICIAL MARKSCHEME!~AQA GCSE Physics Unit 2 25th Janurary NEW SPEC Watch

Poll: How did you find the exam?
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10.75%
Easy (32)
34.41%
Ok (38)
40.86%
Hard (7)
7.53%
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1.08%
Don't even ask....:( (5)
5.38%
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rihannagirl
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#361
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#361
(Original post by shibucool)
Because it takes millions of years and we can't live that long? Really had no clue and I probably got it wrong.
had no idea lol what was the answer?
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Kill3er
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#362
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#362
(Original post by rihannagirl)
yep thats what i put, is it right?
I presume so, i can't think of any other answer.
What about the last go-cart question, what was the biggest force?
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MrB24
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#363
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#363
(Original post by rihannagirl)
so what was the answer to work done? i converted 3kJ into 3000J is that ok? lol

It was 3KN not kj...
1
DanTheMan358
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#364
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#364
(Original post by Dalek1099)
I put that the conditions were different.What did everyone put for why we don't know when stars will end their main sequence?
yeh I wrote other factors may be involved
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rihannagirl
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#365
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#365
(Original post by MrB24)
It was 3KN not kj...
thats what i meant.. so 3000n?
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Minecraft27
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#366
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#366
(Original post by Kill3er)
I presume so, i can't think of any other answer.
What about the last go-cart question, what was the biggest force?
Friction I guess.
But for the star one I originally thought that we can't live that long but then I realised that just by looking at a star we really can't tell how long it stays stable for and how long it has left.
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lolface32
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#367
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#367
(Original post by Beat)
Actually. I think I got 3.75.... I can't even remember now.
It was 37.5(0.3/0.008)
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Davothebigafro
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#368
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#368
(Original post by A future Midwife)
That is exactly what I did! Counted all of the marks of the ones I answered just to be sure! My friend laughed at me when i told her i'd done that, but i thought my paper was missing a page!
Aha, you gotta make sure
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rihannagirl
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#369
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#369
(Original post by Kill3er)
I presume so, i can't think of any other answer.
What about the last go-cart question, what was the biggest force?
air resistance i think?
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Rohan97
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#370
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#370
(Original post by lolface32)
It was 37.5(0.3/0.008)


Did they give the units?
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Minecraft27
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#371
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#371
(Original post by rihannagirl)
air resistance i think?
I think it's friction. Air is a gas, it really can't resist as much as the solid road can.
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MrB24
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#372
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#372
(Original post by rihannagirl)
thats what i meant.. so 3000n?
yeahh.. 3000 x 25= 75,000J
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wizard123
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#373
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#373
you'll still get a mark even if you dont get the correct answer because you showed the examiner what equation you used
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MrB24
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#374
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#374
(Original post by Minecraft27)
I think it's friction. Air is a gas, it really can't resist as much as the solid road can.
No.. its air resistance. On the spec it says 'candidates should realise that most of the resistive force are caused by air resistance'
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Kill3er
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#375
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#375
(Original post by rihannagirl)
air resistance i think?
That's what i put. Not sure if it was that, or friction.
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Sumz.96
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#376
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#376
(Original post by Midnight1811)
What do you mean it'll be with topic 3 ? Do you know what date the chemistry unit 2 rest will be ??
Yeah the Physics unit 2 retake will be done on the same day as the Physics unit 3 exam which as far as I am aware will be on Thursday 23rd May. The chemistry unit 2 re-sit will be on the 20th of May.


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rihannagirl
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#377
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#377
what did everyone get for the oil drops? did a>b show car slowing down or speeding up? i put slowing
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DanTheMan358
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#378
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#378
(Original post by Kill3er)
That's what i put. Not sure if it was that, or friction.
I put both lol, air resistance first then friction aha...
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pinkgorilla
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#379
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#379
(Original post by MajorRisk)
I put because background radiation varies. Nuclear decay that causes radiation is completely random, therefore it varies each minute.
I put that too.

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tgbyhn
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#380
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#380
hey people i did the exam and found it reasonable.. but for the count rate question was the answer 3.8 days or 4day?
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