Does tennis use velocity how?

Answer 1

Pretty much everything in this universe involves velocity since velocity is practically the speed of an object when a tennis ball is hit it has both a horizontal and vertical velocity also the movement of a tennis racket has a great velocity, also the movement of the players across the court have a very inconsistent velocity especially in single's matches.

Answer 2

because the athletes have to be able to run which requires speed and know their left from their right which requires direction

Answer 3

By dribbling the ball and going a particular direction.