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yah i got lazy :/

2. a) -1.25*10^11 b) -5.54*10^10

1. Ep=-Gm1m2/d (6.67x10^-11*200*5.97*10^24)/(6.37*10^6+300000) =1.194*10^10

cheers ;)

can you share that link? :P

For some people, first round of assessments are about to begin. Was wondering if anyone could share some past papers for Physics, Chem, Eco, Adv English, 3u, 2u and religion??

check hotmail or BOS inbox?!!

i do know that fobageratnam ;)

would you happen to have physics in focus yr 12?

If my rank went up to top 15 for physics and chem Top 5 for Eco Top 30 for 2U and 3U and like top 80 for english could i get 95?

ah right lol my profile..

how do you know which school i go to? most likely you do cos our school does get crappy marks in science :P

Hi wanted an atar estimate based on my prelim ranks: School Rank: In the 30s Chemistry: 30/80 Physics: 35/76 2u: 35/120 3U: 40/81 Adv English: 100/155 Economics:10/40

answer to external division question should be (1, 5/4)

I'm a bit rusty but anyways.. :/ I use two diff formulas for internal and external division. I find it easier to remember two formulas rather than trying to work it out in the exam.. Internal Div: (m x x2+n x x1)/(m+n) , (m x y2+n x y1)/(m+n) External Div: (m x x2-n x x1)/(m-n) , (m...

do you happen to have the hsc jacaranda chemistry book on pdf? :O

Hi would like someone to check if my notes (based off other notes and textbooks ofc) are covering the dotpoints. Don't know if they're too thorough or not detailed enough, just wanted some advice. I will be using these to study for my HSC later. 1.1: Define weight as the force on an object due...

Just wondering which Chemistry and Physics textbooks to get for Year 12? For Physics I've heard that both Physics in Focus and Jacaranda are good? Also which workbook should I get for economics??