FREE Physics Tutoring (jks just free help) Thread (1 Viewer)

kashkow

kashkow

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Guys,

This thread is offering free physics help for anyone with a question/concept/concern in preparation for the upcoming HSC Physics exam. If you need anything physics-wise explained, don't understand something, or are stuck on a question post it here and I'll try my best to give you an explanation and/or answer. Or if you want some exam tips, advice on how to approach the exam or study tips I can try my best to help. It will also become a collective group of answered questions, tips, advice and skills to approach and nail the Physics exam (if nobody posts I may just upload useful advice for all the phys students out there).

It is aimed towards anyone and everyone who needs help in their phys; this is your chance to have a free tutor/advisor to get any help possible before the 31st October. Don't be shy about questions...

Kashkow :guitar:

Disclaimer: I'm no tutor (and certainly not the most qualified person for this) - just a student helping other students (both to self improve and help others through it)
 
westernsydneyu

westernsydneyu

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Hi Kashkow,

Just to let everyone know, Western Sydney University has free upcoming HSC Study Sessions that students may be interested in attending to prepare for the HSC and revise content. There will be a session running for Physics on Thursday 29 September 2016 at our Penrith (Werrington South) campus. If you are interested in attending, please view more information here: HSC Study Sessions

Best of luck everyone in preparing for your HSC!

Regards,
Western :spin:
 
kashkow

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Physics Advice

Here's some study advice I posted the other day on another thread on how to study for HSC physics:

- Make a list of all physics sub-topics that you can think of that you are not confident in; I recommend going against listing the syllabus dot points as you may not understand/be familiar with what the syllabus dot points are or mean, or they may cover too broad of areas. This list could look like: (1. GPE, 2. projectile motion, 3. band structures for semiconductors) whatever you may need. This is to gain an understanding for yourself for weak areas that you need to study. I recommend order it by way of topics (Space, Motors & Generators, Ideas to Implementation, Option module) as it's not so easy to miss topics then and you can just work your way forward through the textbook to identify weak areas. Afterwards if you want to prioritise things to review in order of importance, you can. Whatever works best for you.

- Revise thoroughly the memorisation content; ie. the content that you will need to understand and remember but not necessarily calculations. Examples include: band structures, silocon vs. germanium, valve tubes vs. transistors, orbital information (like L.E.O and geostationary orbits) and societal and environmental effects of generators.

- Revise calculations, their formulas and how to apply them. Examples include: calculating GPE, projectile motion and moving electrons in electric fields.

- Practice with past papers :) (try to mark yourself and understand where you may go wrong) If new topics arise add them to the list; if old ones are still annoying you go through them again with your textbook/teacher.

- I will admit I currently have not done this last step purposefully but I would recommend learning and memorising ALL the HSC physics formulas and have a solid understanding in their use. I know there is a sheet in exam, but by memorising them and how they are applied it will help save time in the exam. For me I have an understanding of their use but often need to refer to the sheet (either since I've forgotten the proper formula or want to double check to be sure). However if I have them memorised it would save exam time this way; It will also deepen your understanding of the formulas and make calculations easier (provided you are also aiming to understand how to use them not just memorising like a robot for the sake of it)
 
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kashkow

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Physics Advice (by jazz519)

This is some really good advice for doing well in HSC physics! All credit of this goes to jazz519 from this post http://community.boredofstudies.org/17/chemistry/354315/band-6-a.html#post7197320!


"Hey for these subjects it often requires a lot of natural ability and being able to understand complex things which helps if you are naturally good at these subjects especially physics. However, do not let that deter you, because you may not start off at the same understanding as others but you can develop this by doing many questions based on the area from HSC and other exams and over time you will become better. That is one of the important areas to do past papers for these subjects and get them marked by your teachers, tutor or even other classmates who are achieving high marks ask them for some feedback. However, in saying that, I myself did do a lot of questions from different places, but not many under exam type conditions of 3 hour exams, but I would rather do lots of questions based on areas I was having problems in or did not have much experience doing. I think this is important to do targeted improvement, because you may be consistently receiving 23/25 in a topic while you are receiving 15/25 in another area, by doing questions from your weaker areas you are more likely to increase your mark as you have 10 marks to gain opposed to 2 marks in the other topic.

Also, exam technique is very important as there are things that band 6 students do in these physics and chemistry examinations that distinguish them from lower bands. For instance in Chemistry writing chemical equations wherever you can for questions even if they don't ask for it for example in a question that asks about Arrhenius acid and base theories and is 3 marks, providing equations shows an example and also your deeper understanding in being able to apply his concepts. So remember to write equations wherever you can. Also, when asked about processes such as addition polymerisation draw diagrams representing the steps: intiation, propogation and termination, these diagrams add to your written description. These diagrams are also useful when describing properties of polymers as you draw the structure of ldpe and hdpe showing their relative amount of chain branching. In physics it is also helpful to draw diagrams because if your English abilities to express yourself are not strong, a well labelled diagram can add to your answer and get you the full marks and using formula within your answer such as in rocket launches with momentum shows your knowledge of the topic.

Also, in these subjects the way you answer questions is very important. What I have developed over the year especially in chemistry, is an ability to predict the marking criteria in exams. You have to understand that the markers will be following a strict marking guideline and this generally means you have to say certain specific things for each of the 3 marks, so being able to break down questions like this is helpful in answering them. Although, many top students do write over the lines like myself, you have to understand that this information is normally adding value to their answer and is not irrelevant to the question, so make sure you are always answering the question. For example if there is a 2 marker about explaining properties of ozone and oxygen in terms of bonding and intermolecular forces for reactivity and boiling point. Do not waste time writing the definition of an allotrope. The way I would answer these questions is not done by many in formatting answers. What I recommend you do is writing a heading reactivity, underline it and begin writing, then write boiling point and underline this and continue writing, also include the structures of these molecules. This structure of breaking down your answer into headings is really useful in longer response questions, so please use this as it really makes it easier for the marker to see each section of their marking criteria answered so they can just tick, tick, tick instead of trying to see where you have written information if you write one massive paragraph. I have attached some examples below of me doing this in exams, it looks like I've written a lot but it's not that much since my writing is big, but note how I answer the questions in a clear, well formatted manner with only relevant information.

http://postimg.org/gallery/2yig9a1km/

Lastly help your peers and share your resources with them, because if it was not for this between me and my classmates, I would not have been able to improve my understanding as much and also it improves your HSC marks as if you're not first they affect your marks, but still for example I am first in both subjects at my school, but I have shared all my notes with my classmates and this has undoubtedly improved their marks as well.

Hope this helps"
 
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kashkow

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Still welcoming any comments, questions or concerns you may have with HSC Physics. Feel free to ask!
 
kashkow

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Physics Resource

Well guys. I have found an invaluable resource that I want to share, which will help not only in Physics but across a broad range of subjects. I actually discovered this a while ago but haven't shared it yet and just kept it to myself. However I was sharing it in another post today and thought it'd be good to make it accessible to everyone here as well. This resource deserves to be known by everyone and I wanted to share it with you guys :)

http://arc2.bostes.nsw.edu.au/?noredirect

http://www.boardofstudies.nsw.edu.au/syllabus_hsc/

These are links to exemplars provided by BOSTES. Basically they are past student responses to different exams, categorised into groups from B1-B6, and there are physics exams in both links.

The second link has the 2015 exam for most subjects, which is a very recent (last years) HSC paper so I'd recommend checking it out. For the second link, a brief guide on how to access papers is given.

1. Click on a desired subject

2. CTRL F or scroll down to "standards material".

3. Click this link and find all downloadable PDFs for exemplars BOSTES has provided

Note: They do not have all exemplars for all subjects in this link. They do for English, but BOSTES for some reason has taken down the direct link to it. To access English 2015 Exemplars, use the "Search" function in the top right of the page and type in "standard materials english". Click on the desired link for Paper 1 or Paper 2 Standards materials.

I find it very interesting seeing past responses in terms of the handwriting, comparing different band responses (especially B1 responses), seeing actual statistics on the MC questions, seeing how people approach questions and what is expected/accepted in each band by students. It is also very helpful to see these responses, to gauge what is expected and how to approach different questions, and also gain the right answer to questions. It's good to analyse the responses to see what gets the marks and what is sufficient and these resources are especially useful in a subject like HSC physics. Additionally all this is very relevant as they are direct answers by STUDENTS, to past HSC papers, sorted and organised by BOSTES!!

All this to say, I'd recommend EVERYONE, even if you're not doing physics, to look at these links and exemplars as they are pure gold. This may be a resource that many of you have already found, but I know it took me a while to find these and it isn't really that intuitive in finding them on the BOSTES website, so I thought it may be helpful for anyone who hasn't yet discovered these yet.

Enjoy! :)
 
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E

eyeseeyou

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1. Discuss how the rotational motion of the Earth can be used to improve fuel efficiency for rocket launches. (3 marks)
2. Evaluate the use of the term “g-force” in explaining the forces acting on an astronaut during the launch of a rocket. (4 marks)
 
pikachu975

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eyeseeyou said:
1. Discuss how the rotational motion of the Earth can be used to improve fuel efficiency for rocket launches. (3 marks)
2. Evaluate the use of the term “g-force” in explaining the forces acting on an astronaut during the launch of a rocket. (4 marks)
Click to expand...
I'm pretty sure you're just copy pasting syllabus dot points so people post answers so that you can paste them into a doc
 
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