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

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Reply 540

tombrunt45

Original post by _MAT_

That's exactly what I did so I hope it's right :smile:

Most people seem to agree with us :P

Reply 541

_MAT_

Original post by tombrunt45

Most people seem to agree with us :P

Teachercol agrees which is a good sign as well :P

Reply 542

tombrunt45

Original post by _MAT_

Teachercol agrees which is a good sign as well :P

I'll take it, although still not satisfied about the mass of the second star yet, its such a mess with all these different answers

Reply 543

lai812matthew

anyone stumbled at the wording of 2bi ,i thought you have to list forces that are in a pair that are newton's third law pair and not newton's third law pair. after listing i mention why they are and why they are not...... i forgot ideal gas have PE=0 also so i only written temperature is positively related to internal energy. there are a few word questions but it is not like they are easy and usual questions lol.

Reply 544

_MAT_

Original post by tombrunt45

I'll take it, although still not satisfied about the mass of the second star yet, its such a mess with all these different answers

This is true, have to wait till mid august I guess to know anything for certain :smile:

Reply 545

tombrunt45

Original post by _MAT_

This is true, have to wait till mid august I guess to know anything for certain :smile:

haha true all this fighting over who is right is totally irrelevant because there is NOTHING we can do anyway, haha lets embrace our failures cos they're in the past anyway :smile:

Reply 546

kanfsnvisnvpiws

question 5 of G484 today was taken from the 2004 institute of cambridge paper but they used different numbers
https://t.co/u4N9K4YSp1?ssr=true here is a link to it

Reply 547

Axiom1

Guys, in Kepler' s Third Law equation big M stands for the mass you rotate ABOUT, not the thing which is rotating. I do not think you can use Kepler to find mass of S2

Reply 548

jazzypeas

Difficulty poll:
http://www.thestudentroom.co.uk/showthread.php?t=4176590&p=65953784#post65953784

Reply 549

NotAQA

Unofficial mark scheme anyone?

Reply 550

Brinbrin

Guys for s.h.c do you think you could use kinetic energy instead of gpe?

Reply 551

LawrenceClarkson

Original post by Mathematicus65

I agree; resolving vertically generates the equation
R + force upward on fireman from hose pipe = Weight
Hence R = Weight - force upward from hose pipe

The hose is not pulling him upward, the water is enacting a force down on him equal to the force required to raise the water by the amount it is going up by.

Reply 552

ComputerMaths97

Original post by NotAQA

Unofficial mark scheme anyone?

http://www.thestudentroom.co.uk/showthread.php?t=4176952

Reply 553

Firestartc

Original post by speed1✈️✈️

Surprising how many people are scared that they missed the A* whilst others are contemplating whether they got an A or simply did well enough to even get into their choice unis :s-smilie: