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# Official OCR A2 G484 June 2016 [Module 1] [90UMS] watch

1. is there a unit 5 thread
2. (Original post by Zonothene)
that is the correct power yes
Is it right though? I've seen a few other people get 1.03*10^33 but a few people get 1.73*10^33. Which one is right?
3. (Original post by neyjunior)
how many marks do you think i'll lose?
im not sure, i assume you will get the mark for working out the weight of the fireman, so I guess you would lose 2, maybe 1 if you worked out the vertical component of the impulse correctly.
4. What did everyone think of this paper? I think it was harder than last year but because it was more mathematical, it was easier than June 2014. I'd say reasonable grade boundaries would be:
Full UMS 49-50
A* 45-46
A 41-42
etc
i got 5/8PI as the phase difference, would 5/4PI mean its out of phase by 1/4PI???
No, each cycle is 2pi not one pi, so 5/4 pi is equivalent to 3/4 pi, but in different direction.
6. Um. Excuse me OCR.

Why was there not more SHM?? Resonance???
Where is geostationary orbit??
Gravitational fields???
Where is Boyle's Law????

Why this????

I didn't even know Kepler had a 1st law yet alone a 3rd. Didn't get to flaunt my other definitions. Sad times.

Starting to regret not taking maths & further maths A Level for that paper though; only one in my class who doesn't. Stupid decision

Ugh.
7. (Original post by President J)
So the max was 50mj right?
Yeah
i got 5/8PI as the phase difference, would 5/4PI mean its out of phase by 1/4PI???
its 5/8 x 2Pi which gives the answer 5/4 Pi
9. (Original post by kyle18)
What did everyone think of this paper? I think it was harder than last year but because it was more mathematical, it was easier than June 2014. I'd say reasonable grade boundaries would be:
Full UMS 49-50
A* 45-46
A 41-42
etc
I hope so, I need 100% ums to be about 50.
Im going for 100% ums in all of physics this year and feel ive botched it because of incredibly stupid mistakes today. Incredibly angry with myself.
10. (Original post by kyle18)
What did everyone think of this paper? I think it was harder than last year but because it was more mathematical, it was easier than June 2014. I'd say reasonable grade boundaries would be:
Full UMS 49-50
A* 45-46
A 41-42
etc
2014 and 2015 were a dream. This one… not so much. Bye bye the full UMS I've been getting in papers all year!
11. (Original post by Danny_L)
130.8 for shc anyone?
Were the units JKg^-1K^-1 or JKg^-1°C^-1?
12. (Original post by Jammydodgerdenny)
Were the units JKg^-1K^-1 or JKg^-1°C^-1?
I think for that particular question it was JKg^-1K^-1, it doesnt matter which one it is tho because delta theta is the same for both Celsius and kelvin
13. DIFFICULTY POLL:
http://www.thestudentroom.co.uk/show....php?t=4176590

14. (Original post by Danny.L)
I hope so, I need 100% ums to be about 50.
Im going for 100% ums in all of physics this year and feel ive botched it because of incredibly stupid mistakes today. Incredibly angry with myself.
Yeah I also did silly mistakes, especially with the hosepipe question and with the KE and GPE graph. Just hoping for ecf on the rest of the KE/GPE question.
15. (Original post by Dom1997)
For the people who take Maths and Further Maths it makes it easier for them so that might cancel out?
Yeah probably. Though we're all worried about Fp2 in our FM group so none of us revised for this haha.
16. (Original post by kyle18)
Yeah I also did silly mistakes, especially with the hosepipe question and with the KE and GPE graph. Just hoping for ecf on the rest of the KE/GPE question.
Do you remember how many marks the graph EPE question was? As in the marks for every questions involving the graph?
17. (Original post by Pyslocke)
Do you remember how many marks the graph EPE question was? As in the marks for every questions involving the graph?
I think something like, 2 for graph, 1 for vmax, 2 for the other part which I can't remember what you had to do.
18. (Original post by Reda2)

WHAT I DONT understand, why 2 questions about gravitational fields, and they missed almost HALF of the whole specification....They want us to work with NASA or what..
It's cos our are a set of retarded ****ing *******s
19. (Original post by Pyslocke)
Do you remember how many marks the graph EPE question was? As in the marks for every questions involving the graph?
Graph itself was 2 marks I think. Then it was 1 + 2 + 1?

So 6 altogether?
20. Why would the epe ke graph not start ay y=0 you ****ing retards ocr why, who is that dumb that they don't start a graph at 0.

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