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Author Topic: Physics Help HERE ONLY !!  (Read 81711 times)

Offline Ghost Of Highbury

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Re: Physics Help HERE ONLY !!
« Reply #675 on: June 03, 2009, 08:30:41 pm »
don't forget to chk out the notes

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Offline sweetest angel

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Re: Physics Help HERE ONLY !!
« Reply #676 on: June 03, 2009, 08:30:48 pm »
Quote from: Adi...\m/ on June 03, 2009, 07:53:38 pm
hey sweetsh angell
it is a wierd question
but i have tried to solve it
is the answer 160 degree
i am not sure
plz chk it and do inform me..
if not
tell me the answer
i'll try n figure out
thanks :)
its 160
says so in markscheme
Thanks for da pic attached for the answer bt if u can xaplain y u took those angles =/
i drew a common strait line for the points 'n found out that they were 5 dergrees lesser so 85-5=80 and 80+80=160 can we tke it dat way or can u plz xplain how u got it
plus the question says calculate not find out so can we still use the diagram?? ???
Thanks  ;D
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Offline Ghost Of Highbury

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Re: Physics Help HERE ONLY !!
« Reply #677 on: June 03, 2009, 08:35:17 pm »
look at the image
let the intersection point be called X
PQX is a straight line
<RQX = 180 - <PQN - <NQR = 10 degree
same for the other side
therefore <XRQ = <RQX = 10 degree

angle sum property of triangles = add up to 180
therefore <QXR (the question) = 180 - 10 -10 =160
hope it helped
 :)
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Offline Eamyzz

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Re: Physics Help HERE ONLY !!
« Reply #678 on: June 03, 2009, 08:38:18 pm »
Quote from: Adi...\m/ on June 03, 2009, 08:35:17 pm
look at the image
let the intersection point be called X
PQX is a straight line
<RQX = 180 - <PQN - <NQR = 10 degree
same for the other side
therefore <XRQ = <RQX = 10 degree

angle sum property of triangles = add up to 180
therefore <QXR (the question) = 180 - 10 -10 =160
hope it helped
 :)




\


ya it definitely did u r a saint :)
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Offline sweetest angel

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Re: Physics Help HERE ONLY !!
« Reply #679 on: June 03, 2009, 08:39:09 pm »
omg i ACTUALLY GOT IT
amazin' gentlemen we got an einstein rit here :P
Thanks Thanks 'n gud luk tom  ;D
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Offline Ghost Of Highbury

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Re: Physics Help HERE ONLY !!
« Reply #680 on: June 03, 2009, 08:41:56 pm »
thank u
i am 1 year younger to u guys
thatsy i am not appearing for my exams in may/june
i have my exams during oct/nov 2009
lol..
c ya
gud night
good luck
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Offline Eamyzz

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Re: Physics Help HERE ONLY !!
« Reply #681 on: June 03, 2009, 08:44:44 pm »
LOOOL...i should party i no a genuis ;D :P
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Offline reishamix

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Re: Physics Help HERE ONLY !!
« Reply #682 on: June 03, 2009, 08:56:11 pm »
hey guys
how do u define
split rings commutators?
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Offline Ghost Of Highbury

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Re: Physics Help HERE ONLY !!
« Reply #683 on: June 03, 2009, 08:58:41 pm »
Just what the words suggest.

A slipring is a conductive ring - usually solid - on which a conductive brush/contact rides so as to complete a circuit even as the ring turns.
chk out this website
great website
http://www.gcsescience.com/pme13.htm
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Offline MaNa

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Re: Physics Help HERE ONLY !!
« Reply #684 on: June 03, 2009, 08:59:11 pm »
Quote from: reishamix on June 03, 2009, 08:56:11 pm
hey guys
how do u define
split rings commutators?
allows the transfer of the alternating e.m.f induced in the rotating coil to the xternal circuit
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Offline junky demon

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Re: Physics Help HERE ONLY !!
« Reply #685 on: June 03, 2009, 09:00:27 pm »
could sum1 plz brief me abt wot i need to no for the topic cathode-ray tube..
this chapter is dam annoying for me..
i really cnt understnd ..
if ne 1s gt ne notes or cud explain it to me ,its ol fyn..
Thanks alot for ur tym..appreciated n gud fo tomo:D
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Offline junky demon

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Re: Physics Help HERE ONLY !!
« Reply #686 on: June 03, 2009, 09:02:19 pm »
GUD LUCK*
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Offline Ghost Of Highbury

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Re: Physics Help HERE ONLY !!
« Reply #687 on: June 03, 2009, 09:05:49 pm »
Quote from: junky demon on June 03, 2009, 09:00:27 pm
could sum1 plz brief me abt wot i need to no for the topic cathode-ray tube..
this chapter is dam annoying for me..
i really cnt understnd ..
if ne 1s gt ne notes or cud explain it to me ,its ol fyn..
Thanks alot for ur tym..appreciated n gud fo tomo:D
well! i have some really good website for that
howstuffworks - http://electronics.howstuffworks.com/tv3.htm
definitions, history etc - http://inventors.about.com/od/cstartinventions/a/CathodeRayTube.htm

good luck
 :)
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Offline reishamix

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Re: Physics Help HERE ONLY !!
« Reply #688 on: June 03, 2009, 09:10:04 pm »
Quote from: ManaH on June 03, 2009, 08:59:11 pm
Quote from: reishamix on June 03, 2009, 08:56:11 pm
hey guys
how do u define
split rings commutators?
allows the transfer of the alternating e.m.f induced in the rotating coil to the xternal circuit

Thanks  :)
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Offline Eamyzz

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Re: Physics Help HERE ONLY !!
« Reply #689 on: June 03, 2009, 09:13:31 pm »
ppl suggest a q we all solve
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