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I don't understand what the modern version of escape velocity is. And how do you compare it to Newton's concept of escape velocity? PLS HELP

Can someone please explain the work of Heinsberg and Pauli I came across the following dot point: gather, process, analyse and present information and use available evidence to assess the contributions made by Heisenberg and Pauli to the development of atomic theory I have read PIF and...

Where can I find 2 unit and 3 unit maths questions by topic? I mean questions from other schools trial papers and also past hsc papers PLS DON'T SAY TEXTBOOKS Cheers

In question 13 you have to refer to a redox reaction It asks you to identify the oxidising agent in the reaction I answered A (Hydrogen ion) but the answer is D Why is it D? Isn't Cr2O72- being oxidized so shouldn't it be the hydrogen ion which is the oxidizing agent? Any help would be...

Are the questions in the Jacaranda textbook good? Are they worth doing for each chapter? Or is it better to do trial papers and past HSC papers?

How does the AC induction motor and the universal motor work? I read PIF and Jacaranda and still don't understand :frown2:

I'm doing the HSC in 2016 How and when do I get my UAC application number and pin? Also when do I submit my EAS application for UNI in 2017? I downloaded the booklet for 2015-16 and the dates are confusing it says that EAS applications end sometime in July 2016 but when the hell does it...

Can someone explain to me how split ring and slip ring commutators work. I know that the split ring commutator reverses the direction of the current every half turn. But how does it do this? Are there good videos/sources that explain how it works? And how does the slip ring commutator work...

So I have written some notes for chemistry (only a bit of production of materials), but I stopped because I couldn't remember anything that I wrote, even if I understood it. Instead I just read the textbook and ahmad shah's notes + tutor notes and do past paper questions for specific focus...

I asked this guy, who recently finished HSC chemistry accelerated, how many past papers he did throughout the year. His answer was approximately 10. To me that seems like nothing so I was just wondering how many past papers do you really need to do if you want to ace the HSC. But the...

Why do you need two functional groups in condensation polymerisation? The jacaranda textbook mentions this but I don't understand why you need two functional groups

I have my trial examinations for mathematics next term (both 2 unit and 3 unit). I have 2 week holidays and then 7 weeks till the trials. I just wanted to know the best ways/methods to prepare for my trials. Any help would be kindly appreciated

Can someone please explain to me why induced emf is maximum when magnetic flux threading a coil is minimum and vice versa. I have seen this in a few exam papers (e.g. Multiple choice question 10 in 2002 HSC physics paper) Any help would be very much appreciated

So I go to a school ranked around 380. My ranking for physics is 4/35 (total weighting assessed is 45%). The thing is that I haven't really got high marks for the first exam I got 29/42 and the second exam I got 21/31. Can I still get a band 6 for physics if I do really well in trials and next...

I don't understand the relationship between Richard the III and Looking for Richard. My teacher talks about the way that Al Pacino manipulates the audience in order to achieve power over them but all the essays I have seen don't have anything to do with that. Pls help I have no clue what I am...

Can someone please explain the current account deficit to me and its relationship with Australia's foreign liabilities. I have read the textbook several times, but I don't really understand it. :read: PLS HELP :)

Can someone pls give me an atar estimate. Maths extension 1 - 7/35 Maths 2 unit - 7/approximately 80 people English advanced - top 10 Physics - 3/approximately 40 people Chemistry - 7/approximately 40 people Economic - 2nd out of approximately 30 people School ranked around 380s...

Anyone that does chemistry knows that most dot points for chemistry are phrased like questions that you can get in exams. So I was wondering if it is good (when writing dot point notes) to just write the notes as if you are answering a question like that in an exam? Can anyone that has tried...

I was reading the textbook 'Australia in the Global Economy 2016' and in chapter 4 ("Australia's trade and financial flows") I came across this sentence "Governments preferred direct investment, because it brought the benefits of job creation and technology transfer." Can someone please explain...

So, I have been reading the conquering chemistry textbook and the jacaranda chemistry textbook and both of them combined have a lot of reactions that ethylene undergoes. Do I need to remember ALL THE reactions that ethylene undergoes or do I just need to remember the common ones? Also do I have...