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# AQA Physics GCSE P2 & P3 [OFFICIAL THREAD] watch

1. (Original post by MeiMei15401)
Not sure - I got 22 but only after spending 10 minutes calculating different speeds. The problem was it said maximum speed so you actually had to find it.... In the end I just gave up and worked out the speed at the straight bit of the graph, it kinda looked like it had the steepest gradient so
But if it's the maximum speed then it would be 17 wouldn't it? Because that's the fasted the person could've travelled and still gone that distance. If they'd travelled 22.5 then they'd go 225 in 10
2. (Original post by Conor1998)
I put down but the right answer is up. I made so many stupid mistakes like that
i put up at first then crossed it out and put down! even though loads of people put up i think down is right
3. (Original post by Busraslf)
What is meant by momentum is conserved? I put momentum is the same like constant, am i right?
I think you had to put that the momentum before the collision was equal to the momentum after the collision
Was the effect the motor effect or electromagnetic induction?
motor effect i think
5. (Original post by 11Jason11)
Did anyone else do Business Studies Edexcel in the morning?
I did unit 2 financial records

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6. Unofficial mark scheme someone? 😊😊
7. (Original post by dins432)
i put up at first then crossed it out and put down! even though loads of people put up i think down is right
I messed up the left hand rule. I did the first finger for the current for some strange reason and I got down
8. (Original post by 11Jason11)
Down
I thought Flemming's Rule only applied to D.C?
9. (Original post by 11Jason11)
Down
I put down as well. Its because positive was on the left but negative was on the right. But, in circuit diagrams, electricity flows from negative to positive right?
10. p3.. what is the function of iris?
11. (Original post by littleheron)
I put down as well. Its because positive was on the left but negative was on the right. But, in circuit diagrams, electricity flows from negative to positive right?
yeah
12. the one about the filament bulb increasing temp I put
the metal positive ions vibrate more and have more frequent collisions with the free electrons causing an increase in temperature and resistance
what would that get?

also

For the 2 marker on ruthersford and marsden I put:
If the 'plum pudding' had a positive charge, then all the alpha particles would have of repels due to the fact like charges repel
What would that get you reckon?
13. (Original post by 11Jason11)
Did anyone else do Business Studies Edexcel in the morning?
I did, don't think I did great
14. (Original post by joer123)
How many marks was the whole of question 6 on p2 worth?
11 mate
15. (Original post by #JOSH45#)
I did, don't think I did great
I did OCR

The roots of education are bitter, however the fruit is sweet.
16. Personally I thought it was pretty easy. Biology was the hardest, Chemistry was the easiest and this Physics was pretty easy too
17. (Original post by Haamoo7)
I hate that question. From what I understand, an alternating current in the primary coil induces an alternationg p.d in the secondary coil, but in the question it was the other way around. So fricking confused. I thought that AQA made a typo in the exam paper at first. Probably got that question wrong
You are right you just needed to understand that a p.d across a complete circuit (i.e the primary coil) will always create a current.
18. (Original post by Hasan Almosoy)
11 mate
19. (Original post by Conor1998)
I put down but the right answer is up. I made so many stupid mistakes like that
No it was down

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20. (Original post by Chardevs)
Like this for an unofficial mark scheme? Do you want me to make one now?
Yes for c2 and c3 if you can please

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