The careful description of the velocity of a moving object at a particular time requires that one define the
A) speed and acceleration of the object.
B) speed and direction of the moving object.
C) mass, speed, and position of the object.
D) speed (only) of the object.

Question

Quizplus · Accepted Answer

Velocity is a vector quantity that requires both speed and direction to be fully described. Speed gives the magnitude of the velocity, while direction specifies its orientation.

The Careful Description of the Velocity of a Moving Object