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

1. Was 22.5 m/s the correct answer for the distance-time question. Also, what did people put for the multiple choice graph rocket question. I think I put B..
2. Who else put virtually incompressible for the feature of liquids that makes the pressure the same?
3. (Original post by Georgie99)
What did everyone get for the half life question? Never understood that :/
12
4. (Original post by maxjackson5)
I said as the angle of projection increases, the range decreases. So basically I put what you put, not sure how that is 2 marks though?
you had to write that above 45 degrees the range started to decrease
5. (Original post by RG110man)
Was 22.5 m/s the correct answer for the distance-time question. Also, what did people put for the multiple choice graph rocket question. I think I put B..
I put A

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6. STRUCTURE OF AN ATOM!!! Yes lads
7. (Original post by Hxzel)
Damn it I put the pressure/force is transmitted through the liquid equally in all directions??

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I think that will get the mark as well!
8. (Original post by RG110man)
Was 22.5 m/s the correct answer for the distance-time question. Also, what did people put for the multiple choice graph rocket question. I think I put B..
i got 17m/s as the distance was 170 and the time was 10 seconds
9. What did everyone put for the 'momentum is conserved' question?
10. I put the one that began as a curve and then levelled off...
11. i got 12 as well for the half life, but most people saying it's 4.5
36/2 =18/2 =9 /2 =4.5
12. (Original post by MaryCullen)
STRUCTURE OF AN ATOM!!! Yes lads

Absolute godsend
13. (Original post by lewiswallis)
i got 17m/s as the distance was 170 and the time was 10 seconds
I got that too
14. (Original post by rohanl98)
What did everyone put for the 'momentum is conserved' question?
The the momentum after an event is equal to the momentum before an event
15. (Original post by rohanl98)
What did everyone put for the 'momentum is conserved' question?
Conservation of momentum is when the momentum before an event and the momentum after an even are equal

Something along those lines
16. (Original post by rohanl98)
What did everyone put for the 'momentum is conserved' question?
Initial momentum = final momentum
17. (Original post by lewiswallis)
i got 17m/s as the distance was 170 and the time was 10 seconds
But it wanted the fastest speed, so I presume you had to take points from where the line was straight and then work it out from there...
18. (Original post by rohanl98)
What did everyone put for the 'momentum is conserved' question?
Momentum before = momentum after
19. (Original post by rohanl98)
What did everyone put for the 'momentum is conserved' question?
momentum is the same before and after the collision
20. Me too for the graph one; also what question do you mean by the conservation of momentum one? The one where you had to find the velocity of b?

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