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AQA GCSE Physics triple higher paper 2 15th June 2018 unofficial mark scheme

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15 for orbit question ? Have no idea if that’s right, actually stumped me
Original post by char_2002
15 for orbit question ? Have no idea if that’s right, actually stumped me


I got that 2
15 is right
Reply 4
Avatar for CopMan456
CopMan456
OP
6
1.2 for current?
Reply 5
Avatar for Becky221
Becky221
4
1.2 A for the current/transformers one??
Reply 6
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CopMan456
OP
6
That was easier than paper 1. I think I got around 85-90%
Reply 7
Avatar for tmt1006
tmt1006
4
15 for orbit 1.2A for current
Reply 8
Avatar for tmt1006
tmt1006
4
got 157N for the magnitude question?
Did anyone get 50 N/m for extension
Reply 10
Avatar for Nat948
Nat948
10
Orbit question:
I got a huge number for that (5 million something) which sounds more correct that 15 completes orbits, considering that 7.7 km/s is a very high speed.

What I did was: read off the value for the distance of 1 orbit, divide it by the speed which was 7.7 km/S. and I got 5000 something for that.

I then multiplied that answer by 60x60x24 as it asked you for the number of orbits per 24h.

Anyone did that too...?
something like 112118.8 (or similar) for one of the questions (cant remember which)
Reply 12
Avatar for ehart
ehart
8
Anyone else do plum pudding Model?
I needed to recall my paper 1 knowledge lol
Original post by tmt1006
got 157N for the magnitude question?


I got 157 or 158 I can’t remember
Reply 14
Avatar for CopMan456
CopMan456
OP
6
25000 kg for weight
162.5 N for the force diagram & 15 degrees??
Original post by ehart
Anyone else do plum pudding Model?
I needed to recall my paper 1 knowledge lol


Yessss I did plum pudding so happy someone else did :smile:
Reply 17
Avatar for ehart
ehart
8
Original post by char_2002
I got 157 or 158 I can’t remember


I got 156.25
Reply 18
Avatar for Nat948
Nat948
10
Original post by char_2002
I got 157 or 158 I can’t remember


What about the direction/angle?
Original post by char_2002
Did anyone get 50 N/m for extension


yah

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