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

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Reply 180
Avatar for Azerty560
Azerty560
What is the exponential function if a star expands by factor k and <insert additional incomprehensible jargon here>

We're not gonna get that :wink: lets ace this!
Reply 181
Avatar for Sumz.96
Sumz.96
1
What time do you guys have the exam?


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Original post by Sumz.96
What time do you guys have the exam?


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My exam's at 1:20 pm....
Original post by ayshac94
A small, old, relatively cool star :smile:


Do you mean a black dwarf? :smile:

Mine's at 1:15, not much more prep I can do now so I'll just go for it- either way it's my last exam before May so I can relax for a few weeks after this!


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Original post by Jackwtaylor
Do you mean a black dwarf? :smile:

Mine's at 1:15, not much more prep I can do now so I'll just go for it- either way it's my last exam before May so I can relax for a few weeks after this!


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The exam officially should start at 1:30!
Reply 185
Avatar for missexams
missexams
good luck every1 ...im at home ill and revising! gona go in at 11:50
I bet Car safety, stopping distances and nuclear fusion/fission as well as stars will come up (and plenty of calculations) haha :wink:
I think car safety, regenerative braking, stars and potential difference and resistance for a filament lamp will be in it.


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Good luck!!
Would you be allowed to use logarithms to calculate half life, or do you have to use their step by step method?
How did you find it, guys? I thought it was a reasonable paper. I didn't know whether to put gravity or weight for the first question... I decided on weight. Will I get the mark?

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so easyy :smile: what did u guys put for the 'main sequence period' question for large stars?
Reply 192
Avatar for Rohan97
Rohan97
Original post by Hazwaz7
How did you find it, guys? I thought it was a reasonable paper. I didn't know whether to put gravity or weight for the first question... I decided on weight. Will I get the mark?

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Yeah I think so, that's what I put :P Did you find it harder than the mock?
Reply 193
Avatar for Rohan97
Rohan97
For the second question asking to describe the motion of the car would you get 3 marks for writing "Accelerating, because the distance between each oil drop is increasing, which shows that the velocity is changing", also what did everyone get for working out the acceleration and the distance travelled by the go-kart?
Reply 194
Avatar for Rohan97
Rohan97
ALso did everyone get 2.2V for the current potential difference graph question?
Original post by Rohan97
Yeah I think so, that's what I put :P Did you find it harder than the mock?


A little easier to be honest. But knowing me I've probably made loads of stupid mistakes haha! I'm aiming for an A and I hope I've done enough, but if lots of people found it easy then the boundaries will be high... I hope they don't raise too much!
So easy :smile: :

For the frequency question with the graph I put:

1/0.04 = 25hz

For the acceleration question of J and K did you put:

a=5/3 a=1.7 (two significant figures)

For the distance under the graph question did you put:

5x3=15, 15/2 = 7.5
Original post by shibucool
So easy :smile: :

For the frequency question with the graph I put:

1/0.04 = 25hz

For the acceleration question of J and K did you put:

a=5/3 a=1.7 (two significant figures)

For the distance under the graph question did you put:

5x3=15, 15/2 = 7.5


That was a doddle compared to the other exams although I know I lost a few marks
(edited 11 years ago)
Reply 198
Avatar for Rohan97
Rohan97
Original post by shibucool
So easy :smile: :

For the frequency question with the graph I put:

1/0.04 = 25hz

For the acceleration question of J and K did you put:

a=5/3 a=1.7 (two significant figures)

For the distance under the graph question did you put:

5x3=15, 15/2 = 7.5


Same as you :P
Original post by shibucool
So easy :smile: :

For the frequency question with the graph I put:

1/0.04 = 25hz

For the acceleration question of J and K did you put:

a=5/3 a=1.7 (two significant figures)

For the distance under the graph question did you put:

5x3=15, 15/2 = 7.5


I got those answers too! Except I didn't see the 'two significant figures' part so I left it as 1.6 with a little dot above the '6' to show it's recurring. I should only lose one mark for it, right?

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