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that took me quite a time, and then it said my pc does not have an allowed extensionPost z question directly- Make a print screen
how do u usually print screen?
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that took me quite a time, and then it said my pc does not have an allowed extensionPost z question directly- Make a print screen
omg! thXx!! now i got it thnk u vry muchokay look i am not sure about the SI unit thing, but area isn't a unit, a unit woud be someting yu write after a quantity, so for eg i can say 250kg, 300seconds, 500metres, but can i say 400areas? noo i can't......area is measured in metres.....not vice versa....hope you get it.....
what computer do you use? if it's normal pc or laptop - there's a printscreen button on the right of the keyboardthat took me quite a time, and then it said my pc does not have an allowed extension
how do u usually print screen?
you are welcomeomg! thXx!! now i got it thnk u vry much
ya, this i did but my pc stores the image in .bmp,, i think to upload an image here .jpg is required what u usually do after prnt screen?what computer do you use? if it's normal pc or laptop - there's a printscreen button on the right of the keyboard
if it's a mac - just press command + shift + 3
that's as far as i know
er...mine automatically stores in jpeg format so i don't get a proya, this i did but my pc stores the image in .bmp,, i think to upload an image here .jpg is required what u usually do after prnt screen?
thXx thxx a million times, it workeder...mine automatically stores in jpeg format so i don't get a pro
to convert from bmp to jpg, follow this link: http://www.pictureresize.org/online-images-converter.html
or this link: http://www.online-tech-tips.com/computer-tips/convert-bmp-to-jpg/
both show diff ways to do it
aww that's great!! you are welcome anytimethXx thxx a million times, it worked
herePost z question directly- Make a print screen
i need help in question question 4c, may/june 2008 paper 2 asap pls
where did value of delta h come from ?!
http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s08_qp_2.pdf
mark scheme: http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s08_ms_2.pdf
Hey guys, I've got some mixed signals in doing Q 1 / part B of w02_qp_2.
I don't know why p/ro = m^-1 s^-2 / kg m^-3 which is equal to = kg^-1 m^-4 s^-2,
and then the marking scheme says square root of p/ro = ms^-1 <==== How?!?!?
QP: http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w02_qp_2.pdf
MS: http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w02_ms_2.pdf
Thanks in advance.
Well, its relatively easy. Displacement is defined as the distance from a fixed point in a specified direction. We're all clear, right?how do i do qs 2a(ii) The mark scheme is confusing me.
Link: http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s03_qp_2.pdf
Oct/Nov 2004, Paper2, Question 1, Part B) (ii)
I got the percentage uncertainty of diameter of wire as (0.02 / 0.50) * 100 = 4 %
Now when I try to get the uncertainty of the area of cross-section of the wire, the answer doesn't come up as 8%.
This is how I do it:
Cross-sectional area = pi * (r^2)
Diameter = 0.50 mm / 2 = 0.25 mm
pi (0.25^2) = 0.196 ~= 0.2 mm^2
% uncertainty of cross-sectional area = (uncertainty of area / area)* 100
% uncertainty of cross-sectional area = (0.02 / 0.2) * 100 = 10 % ????
Do I have to separately calculate the uncertainty of cross-sectional area? If yes, how?
QP: http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w04_qp_2.pdf
MS: http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w04_ms_2.pdf
Thanks in advance.
how do i do qs 2a(ii) The mark scheme is confusing me.
Link: http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s03_qp_2.pdf
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