How Do You Calculate the Velocity of a Stone in Projectile Motion?

[The Vitruvian Man]

Homework Statement

Astone is thrown horizontally with an initial velocity of 5 metres per second. What is the magntude and direction of its velocity 0.2s later? Take the acceleration of free fall to be 9.8 metres per second squared and ignore friction.

Homework Equations

The Attempt at a Solution

This question, I find it very confusing I do not know why..I have no clue.[/B]

 

[CWatters]

Welcome to the forum. Please note the forum rules in the homeworks section require you to make an attempt at a solution so we can see where you are going wrong.