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for every assessment i do... afterwards i get a weird feeling, its like i feel that i made a silly mistake or missed a question and can't concentrate on the next assessment. im always thinking about what i possibly did wrong in the last assessment and if i knew for sure it was wrong then im...

i need to make sure my answers are all correct for my assignment... so help me. :) 1. When the space shuttle is launched into orbit, it will have an approximate altitude of 250 km above the Earths surface and an orbital velocity of 7756 m.s-1 a. Identify and describe the types of energy...

1. Calculate the average acceleration required by the shuttle to achieve an orbital velocity of 7756 m.s-1, assuming that the rocket engines are running for 8.5 minutes. Express your answer in m.s-1 and as a multiple of g in the Earth's gravitational acceleration. 2. For the same shuttle...

does anyone else have a similar assessment like this? we have to do it in class as an examination... can someone give me some ideas on what i'll have to talk about and in what order... like if its an essay how should i structure it and what are the key arguments i'll have to raise...

i have nothing better to talk about so... our school is finishing of the second part of the first module. and i really liked homeostasis :rolleyes:

so whos doing it this year? i haven't got a clue what 'the skull beneath the skin' is going on about

need some information on it, sites or whatever, especially for bases. thanks

i went through my trial CSSA few times and found i lost so many marks for some weird reasons. For example: Discuss problems associated with the uses of CFC's (2 marks) "The use of CFCs causes the thining of ozone layer in the stratosphere, and in some cases it makes holes appear. This...

does anyone have any notes on experiments? if you do please post it here thanks.

here are some helpful tips that i put together for answering exam questions: Read the questions carefully. Underline the key verb(s) and circle the subject(s). Especially be careful with plurals, this suggests that at least 2 bits of information is needed if not more. Always try to...

anyone applying for a distinction course for 2004? i spoke to my principle today about it and he is calling the board to get some informations on it and he thinks it'll be okay for me to do it. im thinking of doing philosophy. and for those who done it before. which course did you do...

what is with the stupid definitions of strong and weak in chemistry? so an acid that ionises 1% is weak and ionises 99% is weak as well??? wtf, that don't even make sense!?! they take a simple concept and word it with stupid definitions to confuse the people thats trying to learn it. why don't...

x^2 - 3x + 4/x - 3, find the range i saw this equation in a newspaper or something, it solved for y the range. the answer is y < and = -1, y > and = 7. but i can't understand the working out. how the hell do you solve that? can someone explain???

i can't believe that i woke up at 6am to write this, me crazy... sleepy :sleep: anyway, is this answer good? can you help me improve this answer? the dot point is: process information from secondary sources to summarise the use of ethanol as an alternative car fuel, evaluating the success...

2 trains are travelling at uniform speeds. the slower train takes 15 seconds longer to cover 4km. it travels 1km less than the faster one in 15 minutes. what is the speed of the faster train?

who is doing "the Biochemistry of Movement"? or has done it before. do you know any text book that has it as an option?

on CM&M part 3 the last dot point says: "gather, process and present information to interpret secondary data from AAS measurements and evaluate the effectiveness of this in pollution control" has anyone got any information or ways that you would suggest to respond to the second part of the...

i have some questions on a few of the syllabus dot points that i don't quiet understand. i need some help... the first dot point on part 2 of production of material says:"discuss the need for alternative sources of the compounds presently obtained from the petrochemical industry". what does...

does anyone have infomation on the second dot point on CM&M: "identify the need for collaboration between chemists as they collect and analyse data"? i can only find information based on the old syllabus about water.

i heard my teacher say that year11 marks will count to your HSC assessment rank. is he misinformed or is that really true:confused: