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Yes, it is true. You will never know what mark you were given when submitted to NESA. This is true for all subjects -- although it is pretty easy to figure out, given that you know the weightings of all your tasks -- assuming your school doesn't alter the marks when they submit.

Sorry to disappoint with the Prelim classes being run on Saturday this time around! I am totally worth the travel, but I understand the predicament! I have heard mixed reviews about Zhang's -- apparently he is quite difficult to understand, has quite large classes (25+?), but he really knows...

100% Like I said, not all good students are good teachers and correspondingly, not all good teachers were good students! The smartest teacher I ever had in university was also by far the worst!

Hey mate, I went well, achieved a high ATAR (UAI back then), my exact mark in Physics, I actually have no idea -- this was over 15 years ago! Group tuition is more beneficial imo ONLY if you are in a group of similar ability as you can bounce ideas off each other, discuss ways of solving...

Tuition for HSC Physics starts in 5 weeks! Not many spots remaining. I am also receiving enquiries relating to Preliminary Physics and Chemistry for 2018. I will be offering tuition for BOTH Preliminary Physics and Chemistry when the new syllabus is implemented next year, seeing as the...

A great deal of the current syllabus overlaps with the new syllabus. Namely, a great deal of the current topic "Moving About" is in the first 2 topics in the new syllabus. There exists a great deal of resources already for Moving About, so reading through it and acquainting yourself with the...

Creepin on ah Comeup - Bone Thugs n Harmony

Too kewl for skewl

Hu r u? LoL

And this is one of the reasons why you are one of my favourites

Only true if the turn forms an arc! If not circular, then not centripetal.

1. Depends if it is instantaneous or average and whether there has been a change in direction. Assuming that it is linear motion and the fly does not change direction, then both magnitudes would be equal whether average or instantaneous. If the fly changes direction throughout its flight, then...

What exactly did it say? All you really need to know is that Citric acid is triprotic due to the 3 carboxyl functional groups, forget about the other OH group as the reasoning behind why that is not acidic is beyond HSC

Regarding your first question -- it's not quite as simple as that. In order to fully understand why that OH group is not acidic really comes down to a concept of resonance, electron distribution, electron orbitals, pKa and conjugates. For now, with what the HSC gives us, you just need to...

Valence Shell Electron Pair Repulsion (VSEPR) helps describe the shape. It's basically commiting the main "electron pair" shape to memory and then determining which shape the molecule is from looking at number of bonding and non-bonding pairs

Still room for keen students wishing to start HSC 2018 tuition late-Sep / early-Oct

Thanks for all the amazing comments on my very first "Is Sigma Science any Good?" Thread #honoured #blessed I am noticing a trend here though... #1 - I would NEVER do anything to aid in the study of BiLOLogy, is it even Science? #2 - My mum thinks I'm funny #3 - YOUR MUM THINKS IM FUNNY...

Answer is definitely 0.5s! Reflected sound wave travels an extra 160m as your working shows. FYI: That question is from the 2000 independent preliminary examination. First question. The answer given was 0.5s, not 0.25s Whoever gave you that answer has done it incorrectly

I will hate you forever if you do not continue with something related to maths/physics

Ngo! Come to Sigma Science at Parramatta :cool: