To specify an object's velocity, one needs to specify
A) how fast it is moving and also its mass.
B) only how fast it is moving.
C) only in which direction it is moving.
D) how fast it is moving and also in which direction it is moving.

Question

Quizplus · Accepted Answer

Velocity is a vector quantity that includes both the speed of an object and the direction in which it is moving.

To Specify an Object's Velocity, One Needs to Specify