Author Topic: physics doubts VERY URGENT!!!!!!!!!!!!  (Read 3412 times)

Offline Saladin

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #15 on: April 04, 2010, 08:14:45 pm »
what notes in particular??

i have loads.

Offline AS panic attack

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #16 on: April 04, 2010, 08:19:06 pm »
hi
is any one doing AS edexcel physics ???
if so i would really appreciate if you can post some good physics notes or atleast a good website
other than astarmathandphysics as i have already gone through it
Thanks  :)

Offline Saladin

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #17 on: April 04, 2010, 08:21:59 pm »
of all the sites, that i have been to, this is by far the best....


S-cool A LEVEL PHYSICS

Offline AS panic attack

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #18 on: April 04, 2010, 08:35:27 pm »
hi is any one doing AS level physics(edexcel)

As i need any unit 2 physics notes i can get my hands on, and if ther e are any other good websites besides astarmathandphysics  as i have already gone thru it my mocks r comin up so please hurry
 
Thanks

Offline AS panic attack

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #19 on: April 04, 2010, 08:38:36 pm »
umm sry bout all ma annoyin mesg smethin wrong wid net

any notes on electricty, waves ,and quantum would do

Offline Saladin

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #20 on: April 04, 2010, 08:46:21 pm »
the website that i gave u has all that u will ever want.

i study completely from there.

Offline AS panic attack

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #21 on: April 06, 2010, 08:05:13 pm »

help needed
Can sme1 explain to me Q17b,c in the 6ph02 2010 paper
hurry
i need an explanation 4 the ans. i dont understand it  :'(

Offline AS panic attack

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #22 on: April 06, 2010, 09:19:06 pm »
can sme 1 ans my doubt please

i also need help in this question:
Explain why the minima never has a zero value ?

Offline AS panic attack

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #23 on: April 07, 2010, 10:00:45 am »
people i need sme 1 to explain the questions  i asked
my mocks r v.close
help needed  ??? :'(

nid404

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #24 on: April 07, 2010, 10:15:24 am »
is this cie or edexcel

Offline astarmathsandphysics

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #25 on: April 07, 2010, 10:19:39 am »
1 hour

Offline astarmathsandphysics

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #26 on: April 07, 2010, 11:17:02 am »
b)Number of charge carriers much smaller for silican so they must move faster
c)when temp increases resistance decreases as for all semiconductors

Offline AS panic attack

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #27 on: April 07, 2010, 11:30:52 am »
Thanks

and its an edexcel paper

Offline halosh92

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #28 on: April 07, 2010, 06:36:31 pm »
physics cie
AS
mayjune 2008
q 4c

in the ms....there is 4.7
where did they get it from
plz someone hurry up!
thx
everyday we wake up is a miracle, then how do we say miracles dont happen?????

nid404

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Re: physics doubts VERY URGENT!!!!!!!!!!!!
« Reply #29 on: April 07, 2010, 06:52:46 pm »

 1.01 × 105 Pa=Hx X 1.08 × 103 X 9.8
H=9.53m

change in h= 10-9.53=0.47

dh/h=0.47/10 X100 = 4.7%