Recent content by bmaia89

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Homework Statement Here it goes. 2 pontual charges (Q>0), placed in (0,a,0) and (0,-a,0): calculate de vector E(x,0,0) along xxHomework Equations The Attempt at a Solution I tried to use E=1/(4*pi*epsilon naught) * Q/r2 but when i make Q/(x ex + a ey)2 and (x ex + (-a) ey)2 i don't know what to...

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i already gone find out on the physical review letters and nothing...and on ISI too...can anybody help me?i only need the article of hubble's(telescope) top ten...after got it i have the lecture completed...i need do an abstract until 30th May...

i am working about the top ten discoveries of the Hubble telescope: the supernova photos; and more nine...

i am talking about Hubble space telescope i only visited the site www,spacetelescope,org and saw the hubblecast by dr joe liske and no more of this...

i have a discipline that in the final of the semester each student must do a discussion about a topic and my is about the Hubble telescope i already gone in the site os space telescope and i found something but i think i need more but i don't know what...

Hi all, i am from portugal and i am working on a lecture based on articles... could you give some articles about that... thanks