Question

An elevator traveled 15 floors (150 ft) at a speed of 4.5 m/s. What additional information is needed to determine the velocity of the elevator?

Answer 1

It needs to know the direction that the elevator traveled.

Step-by-step explanation:

Answer 2

Velocity is vector quantity.So it needs direction in addition to speed.

Step-by-step explanation:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of its speed and direction of motion.