A2 Physics Unit 5 ~ 18th June 2012 Watch

d_94
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Heyy.
Hows revising?
Anyone got tips/advice for this?
(:
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d_94
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Unit 5: Physics from
Creation to Collapse

The Unit 5.rar file includes:
Old syllabus past papers and mark schemes from 2002 June onwards.
All New syllabus past papers and mark schemes until 2011 June.
Revision cards and notes.
Link:
http://www.mediafire.com/?w4969egz08za1cd
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d_94
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No one?! :'(
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iesians
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where have you beeeeen ??? cuz i never see you out !!!!!! i love that song lol

anyway hows prep going !! im so effin clueless bout this paper !!!!

how do you learn SHM kinetic energy equation..?!?!?!
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handsome7654
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(Original post by d_94)
Unit 5: Physics from
Creation to Collapse

The Unit 5.rar file includes:
Old syllabus past papers and mark schemes from 2002 June onwards.
All New syllabus past papers and mark schemes until 2011 June.
Revision cards and notes.
Link:
http://www.mediafire.com/?w4969egz08za1cd
thankyouuu so much!!

Looking at the notes, oscilations are not tested in unit 5! Are they?
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handsome7654
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any1 doing turning points?
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iesians
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(Original post by handsome7654)
any1 doing turning points?
what is thaaaaaaaat ...?
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iesians
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anyone alive hereeeeeeeee ????????????????!!
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d_94
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(Original post by iesians)
anyone alive hereeeeeeeee ????????????????!!
Hahahhahahahhahaha :P
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d_94
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(Original post by handsome7654)
thankyouuu so much!!

Looking at the notes, oscilations are not tested in unit 5! Are they?
Yuup. SHM is included. *sighh :'(
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d_94
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(Original post by iesians)
where have you beeeeen ??? cuz i never see you out !!!!!! i love that song lol

anyway hows prep going !! im so effin clueless bout this paper !!!!

how do you learn SHM kinetic energy equation..?!?!?!
Hahaha (: (:
My preparation is going fine, al-hamduillah. I finished with Thermal yesterday, and I might finish Nuclear. But I don't get the Nuclear Reactor??
I didnt go to SHM yett.
But I think you have to memorize themm.
What book are you using??
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iesians
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how do we use P=E/t in specific heat capacity..?!
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iesians
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(Original post by d_94)
Hahaha (: (:
My preparation is going fine, al-hamduillah. I finished with Thermal yesterday, and I might finish Nuclear. But I don't get the Nuclear Reactor??
I didnt go to SHM yett.
But I think you have to memorize themm.
What book are you using??
im doing edexcl rev guide and the dard red book of ann fullick and also HODDER book ! and them i saw the noted you gave.....they are amazing thank you verry much
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d_94
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(Original post by iesians)
im doing edexcl rev guide and the dard red book of ann fullick and also HODDER book ! and them i saw the noted you gave.....they are amazing thank you verry much
OMG. I have all of those books too. And the questions in the Hodder one is really good!!
Welcomee :]
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d_94
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Can anyone explain to me the concept of Nuclear Reactors?
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handsome7654
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(Original post by d_94)
Yuup. SHM is included. *sighh :'(
But it doesnt seem to be on the spec for unit 5? http://store.aqa.org.uk/qual/gce/pdf/AQA-2450-W-SP.PDF
It is only tested in unit 4
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(Original post by handsome7654)
But it doesnt seem to be on the spec for unit 5? http://store.aqa.org.uk/qual/gce/pdf/AQA-2450-W-SP.PDF
It is only tested in unit 4
This is an Edexcel Thread for Unit 5 A2 Physics, not AQA
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handsome7654
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(Original post by d_94)
This is an Edexcel Thread for Unit 5 A2 Physics, not AQA
Oops!
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iesians
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(Original post by d_94)
Can anyone explain to me the concept of Nuclear Reactors?
i dont think we need to know a lot of detail about it!

i just know that we have only made a fission reactor, a fusion reractor is still impossible..

fission reactor :-

a fast neutron strikes the heavy element disintegrating it into smaller nuclie and multiple neutrons which start this disintegration process again...

moderator :- it is a rod made up of graphite usually, it slows down exxcessively fast neutrons in order for them to be absorbed in the heavy atom.


control rod :- this rod is made up of boron or cadmium. this rod ABSORBS neutron in order to halt the reaction from going on happenin . thus it effectively stops the fission reaction, it is a very crucial part as fission keeps on producing neutrons which can keep on bombarding with elements becoming uncontrollable ! thus a control rod is necessary, IN an atomic bomb , a control rod is absent and thus fission reactions reach to such a state that the huge amount of released energy results in explosion.

FUSION reactors arent possible still, as a very high temperature and pressure is needed for successful fusion, such strong reactors cannot be made, also the density of atoms should be very high and thus it is not possible for a fusion reactor to function properly in near future.
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(Original post by handsome7654)
Oops!
It's okay.
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