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My pleasure.
Anytime.
My pleasure.
Anytime.
can u answer AS chemistry question ??
Hello! I'm going to take Paper 3 (AS Practical Skills) this Thursday, and I have a few questions about the exam..
-Are we allowed to bring calculators?
-When are we supposed to repeat readings? Is it when they ask for 6 sets of readings then we're expected to have two readings for one set? For example, when asked for the voltage between a length of a wire, we're going to give two voltage readings for that length, then get their average?
HEY everyone please very important for the practical, the last 2 questions always state 4 sources of errors and improvements, please can someone help me with this
Someone please answer: Is there a proper angle (from the vertical axis) for the starting position of a pendulum when finding its oscillation's time period? Should the bob be raised at a small angle so it would move slow?
no unless mentioned just displace the bob enough so that you can easily track its oscillations and measure its time period
http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_s08_qp_4.pdf Can anyone explain q6.a ? And for 5.b what do they expect us to draw? should we just draw 2 capacitors in series connected in parallel to another 2 capacitors in series ( total 4 capacitors ).. Cause that makes the whole capacitance = 4500 µF
Q-5b. yes its 2 in series with one in parallel.
Okk and the others?
According to the diagram, v = u + X. For the motion of a particle in a straight line with uniform acceleration, v=u+at. So X=at . Answer C
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w12_qp_21.pdf
4(b)(iii) plsss help!!!
nλ = 2 × 625 is a constant (1250) C1 n = 1 → λ = 1250 outside visible
n = 3 → λ = 417 in visible
n = 4 → λ = 312.5 outside visible
λ=420nm
Really don't understand what the answer says, can someone please explain for me?? Thanks!!!
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