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oy bro to find the force..its basic F=ma...u know the mass which was like 0.540 for 20 Amps..and the acceleration due to gravity 9.8m/s/s..so then u can find out the force:D for the given attraction..ohh no wat:S i think i fuked it!!!!!! LOL i think ur meant to go the wieght of the rod...

dear god is there anyway what we can complain to the HSC????? anyway at all omg. How can u have 3 different types of testing..when ur comparing all to eachother. If everyone in the physical journeys section 3 does bad on average..they dont compare it relative to the other focuses do they...

THAT WAS THE HARDEST ENGLISH EXAM I HAVE EVER DONE! :bomb: Seriously section 1 was ok..But section 2...omg completely changed my story it turned out being about a father telling his child about the time he met his mother lol and how he hated her then ended up marying her lol. Section 3:eek...

yes we have done that,...btw helper u r a gr8 help, it wil probaly b on that!!!!!!!!!!!

wow...my physics teacher is pretty vague, maybe he forgot it! xrtzx, thanks 4 the summary that helps, at least it gives me an idea of the prac that may come around.... Also helper....that info is really important, i am going to show that to my teacher tomorow...can'r wait to c the look on his...

nothing written!!!!!!!omg.......they just said that its on motors and generators !.Motors use the effect of forces on current-carrying conductors in magnetic fields......in 9.3!!!!!! ye ppl in previous years say it is like on graphing and analysing data...

I have a physics prac exam on motors and generators, they say they dont know what its on and that they cant tell us anything!!! ... Can anyone, who has done the exam tell me what happened in theirs..the teacher said that we walk in and do a prac and then we do stuff on it!!!!!!!AHHHHHH.. i hate...

thanks man, sorry about posting in the wrong area...i just saw physics and i thought u know? anyway thanks for the help

dude, this is the first time i am using this forum.maybve if u had left a link on where i could post my questions that would have been constructive! The last years yr 12 physics prac exam results were the highest at only 40%! ppls say that its is really random and has nearly NOTHING to do with...

I have a physics prac exam on motors and generators, they say they dont know what its on and that they cant tell us anything!!! :(... Can anyone, who has done the exam tell me what happened in theirs..the teacher said that we walk in and do a prac and then we do stuff on it!!!!!!!AHHHHHH.. i...