Answer to Question #262238 in Physics for inebriate

Question

a volleyball player serves the ball at 1.5m height and horizontally with 0.3m, what is the time of flight of the ball and its horizontal velocity

Answer 1

The horizontal velocity is 0.3 m/s (it does not change during the flight), the time is

$$t=\sqrt{2h/g}=0.55\text{ s}.$$