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Physics: Post your doubts here!

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hendrixgirl

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Abdul Rahman said:
But its soo hard , iv studied so hard , and now i dont feel any confidence , i feel stupid looking at this paper...
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i know how you feel .. this my third attempt at physics A levels. i know every paper by heart , i know all the formulas and all the tricks .. i just dont have the grades. lifes tough.
 
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geek101

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hendrixgirl said:
i know how you feel .. this my third attempt at physics A levels. i know every paper by heart , i know all the formulas and all the tricks .. i just dont have the grades. lifes tough.
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aw man, wishing you all the best, this time ull ace it! :D
 
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Abdul Rahman

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hendrixgirl said:
i know how you feel .. this my third attempt at physics A levels. i know every paper by heart , i know all the formulas and all the tricks .. i just dont have the grades. lifes tough.
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Woah 3d time ! ,thats what im saying man CIE is rediculous , I really dont know what I am gonna do with my life , cause I did bad in chem , good in bio , and physics i don't think i can do good , please provide me with a soulution , i am gonna attempt the makeup exam , but if i fail in that as-well , i am too scared to repeat at CIE , cause its so unpredictable , i am thinking of changing to edexcel , dont know what to do FLM!!!!
 
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hendrixgirl

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Abdul Rahman said:
Woah 3d time ! ,thats what im saying man CIE is rediculous , I really dont know what I am gonna do with my life , cause I did bad in chem , good in bio , and physics i don't think i can do good , please provide me with a soulution , i am gonna attempt the makeup exam , but if i fail in that as-well , i am too scared to repeat at CIE , cause its so unpredictable , i am thinking of changing to edexcel , dont know what to do FLM!!!!
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i don't know anything about edexcel .. i didn't have a choice so i never explored .. i guess self study is the worst thing to do with a levels .. and that wasnt a choice i made for myself either .. i don't have a teacher LOL .. get a trained person to help you out .. people get As all the time .. it isn't impossible.
 
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geek101

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Abdul Rahman said:
Woah 3d time ! ,thats what im saying man CIE is rediculous , I really dont know what I am gonna do with my life , cause I did bad in chem , good in bio , and physics i don't think i can do good , please provide me with a soulution , i am gonna attempt the makeup exam , but if i fail in that as-well , i am too scared to repeat at CIE , cause its so unpredictable , i am thinking of changing to edexcel , dont know what to do FLM!!!!
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self confidence is what you need bro....if you've worked hard, then leave the rest to Allah. He is the best judge don't curse CIE be strong withing yourself...inshAllah youll do good! Give it ur best shot...
 
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Abdul Rahman

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hendrixgirl said:
i don't know anything about edexcel .. i didn't have a choice so i never explored .. i guess self study is the worst thing to do with a levels .. and that wasnt a choice i made for myself either .. i don't have a teacher LOL .. get a trained person to help you out .. people get As all the time .. it isn't impossible.
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What do u mean , u dont have a teacher ? u dont go to school?
 
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Abdul Rahman

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geek101 said:
self confidence is what you need bro....if you've worked hard, then leave the rest to Allah. He is the best judge don't curse CIE be strong withing yourself...inshAllah youll do good! Give it ur best shot...
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Thanks for that bro , really need it.
 
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hendrixgirl

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Abdul Rahman said:
What do u mean , u dont have a teacher ? u dont go to school?
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no, im enrolled in one but because of personal problems i just cant attend school. i have to travel a lot and can't keep up and stuff like that most of the time ..
im just not the luckiest girl when it comes to a stable lifestyle.
but im hoping tomorrows gonna be good . inshAllah .. :D
 
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Abdul Rahman

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hendrixgirl said:
no, im enrolled in one but because of personal problems i just cant attend school. i have to travel a lot and can't keep up and stuff like that most of the time ..
im just not the luckiest girl when it comes to a stable lifestyle.
but im hoping tomorrows gonna be good . inshAllah .. :D
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Oh shit , where do u like live?
and yeah dw it will be good , if not dont panic just relax , people become successful without exams aswell.
 
Tkp

Tkp

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geek101 said:
first here is how you convert the degrees and radians...
radians to degrees : multiply by 180/π
degrees to radians: multiply by π/180

Phase difference is simply is the fraction of the cycle (the angle) by which one wave moves behind the other.
you can calculate is by using this equation: (with degrees)
360 (x/λ) where x is the difference in the distance between the two waves...
or 360(t/T) where the waves are out of step by time t.
use 2π for radians, since 360 = 2π

For coherent waves....they have a constant phase difference...this is usually the case with waves fron the same source. It does not matter whether the waves are in phase ....but coherent waves must have a constant phase difference...which means that the difference between them is the same throughout. They must also have the same wavelength and the same frequency.
this is quite brief..but hope it helps.[/quot
thnks fr the phase difference
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roadtrip9o9

roadtrip9o9

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what is a closed triangle needed for equilibrium ?? same as the vector resolution triangle or not ?
 
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