After being struck by lightning, Barry Allen wakes up from his coma to discover he's been given the power of super speed, becoming the Flash, fighting crime in Central City. Greg Berlanti, Geoff Johns, Andrew Kreisberg.
vector sum, resultant-a vector that is the sum of two or more other vectors. radius vector-a line connecting a point in space to the origin of a polar coordinate system. radius vector-a line connecting a satellite to the center of the body around which it is rotating.
A velocity vector is an arrow that shows direction and speed of motion of a GPS site. The velocity vector for each site shown in Figure 2 is calculated from data like those shown in Figure 1. A vector is a mathematical construct that has a magnitude and a direction.