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It depends on where you set your zero. the first one sets as zero GPE at the surface, while the second one "at infinity" these are chosen to make the equations look nice.. without any funny terms. One can add a constant to GPEs and the theory will not be any different as mentioned in the...

they probably would not care about whether you turn up or not.. then again some tutors are quite.. an*l

your signature can be a smiley if you like it that way.. doesn;t have to be your name.. but it should match your id documents

Find an inhouse job in whatever area you want to give advice in to gain some exp

both have crap pay... what is fashionable/good now might not be in 3 years time... do something you are good at (relative to others).

Anu

you can try flying to macau then take a ferry from there.. else there are cathay and virgin atlantic...

get one of those yellow books from springer, alternatively if you can read chinese, 高*代数 by 丘维声 is very good and cheap (hard to acquire in aust.. but it's not hard to find a pirated e-copy..)

No it doesn't... but it is usually uncannily similar... people need to understand that official sources are just that.. they tell you what is technically correct.. and omit certain things

So if I hate someone I could forward some papers to them?

fitzy is ok.. MIF has some serious deficiencies. Cambridge has good taste.. the exercises are especially well chosen.. not just something to fill up the pages. patel and terry lee makes you practice. the older books are good too... but hard to find. eg coroneos

depends on amount of $ and what you want

easy for you means easy for everyone and which means physics will get bad scaling

He's right..highschool economics doesn't teach you much. Get some material and study yourself if you are so keen on economics

Compared with?

(n-1)! EDIT: here's a link http://www.mathlinks.ro/Forum/resources.php?p=1139336 it's a standard trick. Essentially what they aare saying is that for each permutation of the first n-1 elements, there is precisely 1 place where the nth can go to make the number og inversions a multiple of n

If you don't understand something you should work it out yourself..

it's carton not cartoon. The question was probably something along the lines "find the probability that none of the three eggs chosen have double yolks."

i thought hte horizontal component would just be Tsin@=mhw^2 which wld jst be T/sqrt2? there are effectively 2 strings pulling the ring, don't forget about the tension in BC. the end of the other q is 0.5integral1->0 {x^3*(1-x)^3 }dx< integral 1->0 {[x^3*(1-x)^3] /(1+x)}dx < integral...

part (a) iv) the limit is 4 since 0 < (n+2)/2^(n-1) < (4n+8)/[n(n-1)] and the last bit tends to 0... so (n+2)/2^(n-1) tends to 0 and that makes the limiting sum 4. (b) iv) thats air resistance proportional to the speed squared.