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but my brain needs a whole summer to restart :alone:

Stupidly, I disregarded the syllabus. I talked about how metal ores were purified to increase conductivity -> enabled faraday to experiment -> led to modern power grids through transformers. Then, rambled on about valves and transistors. I also forgot to mention superconductors! ugh, that would...

In regard to the spinning space station question: I think the question specified 'rotational speed', but everyone here is giving things in m/s did anyone else give an answer in degrees per second?

I really hope it's correct.

Thanks! Of what I could remember of my prepared response, it went amazingly well. No joke. My thesis was all about a pesimistic Orwellian / 'R+G are dead' kind of interpretation of the text; and corruption just makes pessimism so much worse - bingo. #bestenglishexamthisyear

Cool; I put the same answer for Q20. with the one on balancing out the B-field, where the options were 117 or 250 volts (or something like that), what did you get?

I messed that question up too, it was so annoying. What did everyone get for the last multi choice? the thing about double frequency / double wavelength / double etc etc?

Assuming x = theta, sub in cos(2ø) = 1 - 2sin^2 (ø) then it just rolls out