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True, if indeed the question used only 2 significant firgures, the final answer should be given to two significant figures. I did it to 1 decimal place because the OP stated specifically they got an 0.4m error: .

Succint to say, if asked in the HSC 'why do rocket launches take place at the equator towards the East?' i would NOT put 'because it is further from the centre of the Earth' Using 'lower escape velocity due to further distance from centre of the Earth' as an argument as to why PROPELLED...

Well for HSC Physics, we assume the Earth is a sphere, which is a reasonable assumption; in any case, the MAIN reason why rocket launches are at the equator is not because the distacne from the centre of the Earth is greatest, and so gravitational force is least.

Well think about it - we assume the Earth is a sphere, which, by definition, has all points on the surface an equal distance from the centre so NO - The equator is NOT the furthest from the centre of the Earth. But yes, the equaor does have the greatest rotational velocity - do you have a...

No. You'd have to ask 'employers'.

Yes, i provided that (shorter) method above, in my original response ^^^. It just requires use of the quadratic formula. RE: why Sy=-65.9438, it is because i am finding T2, which i defined clearly to be the "the time taken for the ball to move from maximum height to its landing position" -...

yes.

Just a few of my thoughts regarding some issus quoted above: Distance - very important factor, but should not be entirely decisive University in General - yes and no. yes you want to go to a university and graduate with a degree that is recognised by prospective employers. no, it is not...

Not at Macquarie.

There is no ceremony. And based on my experience for 2008 , you can expect a poor-quality medal delivered in a month or three.

^^^^Congratulations! And, further, Congratulations to all the HSC Class of 2009.

So will the top schools be posted tomorrow in Newspapers? And will it be the whole list or just top 10%?

you should get in.

The First Place in Course list came out approximately 24 hours ago, so the Distinguished Achievers List, Top Achievers in Course list, etc. should be out momentarily methinks...

bonus points & inflated UAI cutoffs explains the mismatch

In answering the question posed in the thread title: It differes very little for the upper end of the spoectrum (ie 99+ UAI could expect <0.20 variation last year) It can differ greatly (say 1 UAI point) the lower it gets (eg 80's UAI) although i would be cautious this year due to it...

over 99.5

@ CLINTMYSTER: They are entitled to their privacy. Nothing wrong with not revealing marks. EDIT: Congrats to all =)

handy tips for you 09er's: -start checking the site at 5:45 am [and for your ATAR's start checking at 8:30]. -my SMS came in the afternoon last year, whereas some of my friends got the SMS at 6am on the dot, so be aware that the SMS might not come on time.

Show us an example of this style: What volume of carbon dioxide is expelled from the complete combustion of 10 grams of ethanol?