Recent content by james111

anyone??

hey. I am doing an investigation into reactions of acids with Mg. Firstly, iv investigated how order with respect to the acid varies for different acids i found that the orders for each of the acids are: Hydrochloric acid: 2 Sulphuric acid: 1 Phosphoric acid: 1.8 in an article, it said that...

GMm/R ?? I still can't figure how we can apply this. Sorry, this is quite a new area for me, and I still haven't fully figured it out.

I'v been trying to work out this question for ages, but nothings quite working for me, here goes.. q. a) calculate the orbital radius of a synchronous satellite (one period of 24hr, so appears stationary above anyone point). Approximately how many radii of Earth is this orbital radius? Why...