The vector r, starting at the origin, terminates at and specifies the point in space (x, y, z). find the surface swept out by the tip of r if (a) (r-a) a-0. characterize a geometrically (b) (r-a) r 0. describe the geometric role of a. the vector a is constant (in magnitude and direction).

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

there are no atoms

answer( sicar );