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My entire chemistry (year 11) class is kinda stuck on a prac investigation we have to do. We know roughly what we need to do but we are worried that we won't have enough time (around 50 minutes) We are given a sample of sand (containing quartz, calcium carbonate and salt, possibly other...

(I can't find a Year 11 Physics page so I thought I should ask here) I'm stuck on a bunch of questions asking me to find horizontal and vertical components of each vector. Each question just has a diagonal line with a value (e.g. 12ms-1) and I'm pretty sure that you can't do any sort of trig to...

(So I'm not sure about how subject timetabling works for years 11 & 12 at other schools, but at my school each subject gets put on one of 7 lines. Each line represents what subjects will be running at the same time.) Next year I am going into year 11 and we have just received the subject lines...

I am currently in Year 10 at a school ranked below 400. Each year we have around 5 people get a Band 6 in the HSC out of 100+ students. I am the highest ranking student in my year and I would say that there are only about 20-30 other people in my year who are actually interested in learning. The...