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yep there was an excellent one, started by forsaken_99 a while back.

it is very interesting, when you get past hurdles, ie- incompetant teachers:( but, really, it one of my favourite subs at school

umm...these were thought experiments. the limitation factor is a part of it. but so is the idea it self. all of einstein's theories were gendaken's. some have even be proved; time dilation, etc. so the moral of the story, well there isnt really one, but just concentrate on the facts...

i understand that. ok so what if it isnt to be accelerated up to c? say just .5c. how is the energy distributed between kinetic and converting to mass?

1. when integrating by parts, which one do you choose to integrate or leave/differentiate. is there a set thing to this or any type of function to look out for either option? 2. integrate: (cos3x)(sinx).dx 2: #(cos3x)(sinx).dx = 1/2 #(sin2x+sin4x).dx = 1/2 (-1/2.cos2x - 1/4.cos4x) =...

lol, i was worried for a sec. the "shit, never heard of this before" went through my mind :D

for what eactly did you use radians for? you may have had that as the setting, but it wouldnt have affected the answer. its only used when dealing with trignometry...

evilc, i think you may have it confused with something else [or have i? :p] i certainly havent used radians for newtons method

LOL, well i would have nooo idea about that one;)

yes jeo, ur rank + school + 4u/3u maths helped you. i dont they helped me muchly! :( huy, you didnt check me out ;) :p :D Xu, i think areound mid 70's at this stage. i'll say it once more, pull up ur english, physics and maths. good luck! :)

"if there is another time i should be changing it tell me!" i dont follow :( i never use rad :p

but i spend time for the space ones :( but it did learn heaps about relativity from it, so its all good :)

yes, but i checked the last years syllabus[infront of the jac book] and compared it to the new syllabus; i didnt find anything taken out from teh old one that would affect that section[twins parradox]. :)

or maybe confusion, hence too many uproars/complaints....

or you can just sub in 180 where it says pi. eg: pi/2 = 180/2 = 90. and just use that substitution in deg mode:D

fosweb, i was more worried about the question that was proposed to him/her. its not part of hsc 4u is it?

i'm thinking richard lee... sourie wouldnt have been able to find the ext2 forum, let along know some terminilogy :D

like me [/B] hey you mis-quote me!!! you make me look like stupid or somethings??? ;):p

got chess is a really good site!!! - Fatmuscle 2003 AD :D

co-incidence, i think not! :p looks like huy is gunna have a fynnnnne night ;)