In everyday language, speed and velocity are synonyms, but in physics
A) velocity has only magnitude.
B) speed has only direction.
C) velocity has magnitude and direction.
D) speed has magnitude and direction.
E) velocity has only direction.

Question

Quizplus · Accepted Answer

In physics, speed and velocity are not synonyms. While both have magnitude (or numerical value), velocity also includes direction, whereas speed does not. Therefore, velocity has magnitude and direction, while speed has only magnitude.

In Everyday Language, Speed and Velocity Are Synonyms, but in Physics