What is the speed of an alpha particle that accelerates from rest through the potential difference of 380. V? An alpha particle is the nucleus of helium atom, has a mass of 6.63 *10^27 kg and carries a positive charge of two elementary charges (2e)

Low risk and moderate growth.

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.