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Hi all, I've been given a question on an assignment that I'm really struggling with. For some background, the question is based on a Galton Board, where basically a ball falls onto pegs and has a 50% chance to bounce left or right. That's easy to understand and the probabilities are simple...

Hi all, Just looking for some suggestions for a device to make for Physics. If you have any suggestions, please let me know - would help a lot! The notification suggests devices such as an electric motor, generator, speaker or microphone. Thanks in advance.

That's a great suggestion. There's plenty of background and analysis you could add to that. Thanks

I'm inclined to do an experiment in Physics most likely.

Hi all, I've been made aware of the upcoming IS assessment we'll be doing, and we have to do a write up for a depth study, but we don't actually do the experiment. However, I'm really struggling with finding the right experiment to do. Any ideas help! Thanks

Thank you. Very practical.

That makes a lot of sense, actually. And it removes the need for plenty of extra algebra too.

Thanks!

Hi all, Just looking for some help with the following question, cheers. Let z = a+ib. Prove that there are always two sqaure roots of z, except for when a=b=0.

Next year. I'm 2020.

Hi all, Just wondering what the order of these subjects are scaling-wise. Also, am I incorrect in believing that 4 unit math is the highest-scaling subject? Math Extension 2 Math Extension 1 English Advanced Physics Investigating Science Studies of Religion 1 (compulsory) Any help is...

Thanks a lot. How many units of math will I now be doing?

Hi all, Just looking for some guidance. I am topping Math 3U at my school and have begun study of 4U for the 2020 HSC. However, I was wondering the role Math Advanced will play in this. Does it count to my ATAR? Or is it based purely off of my 3U and 4U marks? Any help is great thanks.