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re: HSC Physics Marathon Archive y = sqrt(GM/2r) x=sqrt(G2M/r) y:x 1:4 Q: With reference to the photoelectric effect, and pn-junction, explain the operation of a solar cell (4 Marks)

i. Adv: -You would know the customers wants and needs and direct them to a tailored product. -It is relatively cheap marketing strategy compared with some others Dis: -Considered highly unethical and may create a bad reputation for the business -Certain countries consider this behaviour...

It is due to the quality of the school they attend as well as their internal marks, but also some little things in the test that aren't exactly worth a mark, but separate each person (such as putting a $ when working with money)

what did you guys get for the multiple choice in pompeii?

Thanks

Hey Guys, can anyone tell me some ideal lengths to write for the 10, 15 and 25 mark questions. Thanks