Question

Which term describes speed in a certain direction?

Answer 1

Answer:

A. Velocity

Explanation:

Velocity is vector quantity thus has both magnitude and direction. It describes not only the speed but also the direction. Speed is scalar quantity so describes only speed but not direction. Energy has nothing to do with speed, acceleration describes change in velocity in a direction over time

Answer 2

Velocity

It can also be defined as the rate of change in object position concerning a frame of reference and time.