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wait a minute - didnt u say you got like 98% for all the sciences and 100 for maths? http://community.boredofstudies.org/showthread.php?t=302041&p=6301534#post6301534 Lol troll

wow my school seems slow in comparison to u guys - but the teacher is very good. We've only done graph, conics and finished complex last week. Starting polynomials next week- quite sure its really short.

I just wanted to know - is the current in the rotor coils of a DC motor AC or DC. My friend showed me some question where it said it is DC but I'm quite sure that its AC due to the action of the split ring commutator. I mean - although the supply current is DC when the coil rotates past the...

im sorry. I wrote that response suited to your rank:P

homeostasis is responsible for maintaining a stable INTERNAL environment. However changes in the external environment can cause changes in the internal environment which are then detecte by receptors from within the body - e.g. increase in outside temp causes increase in body temp which is...

Bamo bamp bamp

ok thanks:)

thanks for the replies guys. and am i right in saying the force will be towards the bottom right?

Hey guys, Can someone help me answer this question. Is the wire moving 45degrees to the magnetic field or is it perpendicular to the field since it is directed downwards. I think its perpendicular but I'm kinda doubtful. Also is the force directed towards bottom right corner? Thanks

Hey guys, Can someone please clarify this for me : Escape velocity doesnt mean a satellite is in circular orbit right? It means it has completely escaped a planets gravitational field? Also I have a question where it asks you to calculate the Earth's escape velocity and I got 11200m/s...

oh just realised by max and min im referring to nature of stat pts - i.e. relative maxima and minima

In exams how much working would be required for graphs questions. Do markers just look at the graph and check if u have all the main info. OR do they want you to give some info/brief summary? So for example if they give a graph of y=f(x) and ask for a)y= 1/f(x) and b)y=ln (f(x)) would this be...

oh ok. so you are restricted with the number of solns you obtain as only some are correct - and to determine which roots are valid would you have to sub it into the eqn and check? Thanks realise and sy123

lol sorry if i was a bit hard to understand. but could any of you guys explain why you dont get 0 when u sub x = i into the quartic eqn

i meant if u sub x=i into the quartic u get -20i which is was Sy123 said

Just out of curiosity is it possible for a quarticsuch as the one above to have 4 real roots as well as imaginary roots even though the rule is that the max amount of roots a poly can have is its degree. The reason i asked is because in carrotsticks' working he got (k^2-9)(k^2+1)=0 -----> so...

what question? my comment/post never referenced your question.

anyways out of curiosity have u looked at the skool 2u papers- theyre all full of differentiation stuff and thats not even examined this yr lol

its ok planino - i received your message loud and clear. and i bet you are the one who got very excited from making your little pun. take it from the puns master - i make them deyly

lol i wrote 40 + 18 = 68 in ym working. your right sharkeyboy