Question

Both speed and velocity measure how fast something is moving. However, since speed is not a _______ it does not require a(n )_________.

Question 6 options:

A) quantity , unit


B) magnitude, unit


C) scalar, direction


D) vector, direction

Answer 1

Speed is different from velocity. Velocity is a vector quantity and has a direction. Speed is a scalar quantity and does not require a direction. The answer must be D).

Answer 2

Vector, direction is the answer