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intergration gives you the area between the curve and the axis and you obtain an negative answer whenever the area is on the negative side of the axis you use abosulte value when they ask you for an area not then value because you cannot have a negative area ><

well actually faradays law is like this as a wire cuts lines of flux it wil experience a change of flux causing a seperation of charge, and thus creating an electric field, and inducing an electric field and a current should the circuit be closed.

well jess you if that is you ... you should analyse both your texts and then link and show comparison between them..... you got 2 hours

ahh crap im an idiot >< your right they will just imagine the backspin 'external force' from the other direction >< but still under the ball behold my crappy drawing skills

2 the angle at the center is double that at teh circumference therefore double angle at the center = angle at circumference 2(x-19) = 64 2x - 38 = 64 2x = 102 x = 51 3 does not involve prq or rqt i think you are refering to question 8 where i used angle of alternate segment 9...

if you really really want to get ahead then do that but for the rest of use we'll learn as we go

wow your moving pretty fast >< we still up to complex and we cant do harder 3U cuz not everyones finished 3U(most people)

an electromagnetic field is when a magnetic field is perpendicular to an electric field

2 bca = 2 boa (angle at circumference is half angle at center) 64 = 2(x - 19) 102 = 2x x = 51 3 prove congurent trianges OAC & OBC (SAS) then from that 2x - 15 = 140 2x = 155 x = 77.5 8 2x + 17 = x + 31 x = 14 9 as tangents are always perependicular to the center 90 - ((180 - 96)/2) = x...

yea ... but my careers advisor is one ... so you should try asking them ><

YAY same we only up to complex numbers as well ... although we have reached representation through vectors which isnt hard if you do physics and engineering ><

yep what he said but heres a good song for physical journey http://http://www.u2.com/music/lyrics.php?song=52&album=12

fermentation takes too long though takes at least 2 days @_@

backspin is when a force is applied to cause the ball to spin backwards topspin is the opposite here s a diagram i made it really helps it you play something like tabletennis, tennis or cricket ^^

refer to the diagram the angle a & b are equal because they both subtend the same are zw subtend means to go from a pt to some place basically i could explain it more if you wanted

i had my assessment today ... solubility of household products in ethanol .... design an experiment preform prac write up

are you sure your talking bout the right thing? i think he means circular motion in general basically you know how the linear velocity is always tangential right? well if you take 2 points on the circle and then find dv using vector 'subtraction' as a = v - u t disconerning time the...

hmm so i guess my part one was slightly wrong ... im still getting used to the [ sub ] >< it tends to clog it up a lil thanks for checking rivet ^^ well second derivative is used to find which way the curve is turning so if the curve is turning upwards then it must have a minimum so basically...

no time is just something we give humans give to verify that we exist

1) Find all stationary points and inflexions on the curve y=(2x+1)(x-2)4 y' = u'v + v'u u = 2x + 1 v = (x-2)4 then y' = 2(x-2)4 + 4(2x + 1)(x-2)3 = 2(x-2)3 { (x - 2) + 2(2x + 1) } = 2(x-2)3 { 5x } when y' = 0 then there is a turning pt therefore case one x-2 = 0 x =...