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Physics: Post your doubts here!
2(b)(ii) seperation of atoms in the cube, V = r^3 r = (1.8x10^-23)^1/3 = 2.6x10^-8 cm 4(c)(ii) 1. Change in Ep = mg(changein h) = 3.8 x (0.178-0.163) = - 0.057 (-ve since potential energy decreases) 2. Change in elastic P.E = 0.5k( x2^2 - x1^2) =... -
Physics: Post your doubts here!
Principle of superposition : It states that whenever waves are travelling and meeting in the same region, their resultant displacement due to the waves at any point is given by the vector sum of their individual displacement at that point :) -
Math Paper 12 May/June 2013
I think it was about circular measure if im not wrong ! -
Math Paper 12 May/June 2013
According to the opinions of some candidates, many of them had doubts in question 7 ! So, expect the grade threshold to be in the range of 55 ! -
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No :( Btw, you ready for tomorrow ?
No :( Btw, you ready for tomorrow ?- minie23
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My question is in the physics thread ! w12 P23 no. 6(d)
My question is in the physics thread ! w12 P23 no. 6(d)- minie23
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Physics: Post your doubts here!
syed1995 http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w12_qp_22.pdf Would you be kind enough to help me for question 1(c) (ii)2 & 9(d) please ? -
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AoA wr wb :) Jummah Mubarak to you as well :)
AoA wr wb :) Jummah Mubarak to you as well :)- minie23
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Mathematics: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s11_qp_32.pdf PhyZac ; for no. 4 (ii) , what value should I take as x1 ? -