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Mathematics: Post your doubts here!
can anybody post the link or something for any notes of vectors? please that would be great help cause i dont know anything about them ! -
Pakistan Studies, Islamiyat and Urdu: Post your doubts here!
ok so can anybody tell me from which side should we start the urdu paper ? i mean start writing from the front or the back ?- Mobeen
- Post #3,367
- Forum: O-Levels / GCSEs / IGCSE
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Mathematics: Post your doubts here!
i dont know man ! did it over and over again ! .. can you do this and just tell me if you get the right answer ? -
Mathematics: Post your doubts here!
http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_33.pdf http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_ms_33.pdf Q4(i) where the hell does that... -
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Mathematics: Post your doubts here!
http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s03_qp_3.pdf http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s03_ms_1+2+3+4+5+6+7.pdf Q2(ii) . the integral of cotx... -
Mathematics: Post your doubts here!
thanks . i was solving it with another method and getting different signs.. this is easy .. just havnt done maths in weeks! -
Mathematics: Post your doubts here!
http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s03_qp_3.pdf http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s03_ms_1+2+3+4+5+6+7.pdf Q5 please! -
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A2 Physics | Post your doubts here
i cant explain it in any other way ! :/ -
A2 Physics | Post your doubts here
c i: total energy = - GMm/2r . when total energy 'decreases' the value of GMm/2r increases (just like -2 decreases t0 -5 ... overall value of -5 is less then -2 but the magnitude 5 is greater than 2) same as that value of GMm/2r increses when total energy decreases.. when GMm/2r increases .. r... -
A2 Physics | Post your doubts here
i explained w07 q10c earlier on this trend . . you can find it there .. -
A2 Physics | Post your doubts here
ok so s03 Q2: (a) when water freezes particles lose energy ! so no increase internal energy stone is falling in vaccum so i dont think there would any change in internal energy , so again no increase in internal energy when water evaporates particles GAIN energy so increase in internal energy... -
A2 Physics | Post your doubts here
in the question the temperatures are given to two d.p so we will give the answer to 2 d.p -
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A2 Physics | Post your doubts here
calibration has been done according to the linear change of temperature ... but both the quantities 'donot change linearly' so calibration has no effect . . thermometer linear change ke hisaab se calibrate kiya hai par resistance linearly change ho he nai rhi ! get it ? -
A2 Physics | Post your doubts here
we cant use centripetal force because there is NO centripetal force .. the rock is at rest at the surface ! -
A2 Physics | Post your doubts here
good luck ! and thanks for your help too :) -