How to calculate horizontal velocity?

In physics, there are two types of velocity: vertical and horizontal. Vertical velocity is used only when an angle of trajectory is involved. Horizontal velocity is measured when something is moving along a horizontal trajectory. Like speed, horizontal velocity is measured in meters per second. The formula for finding horizontal velocity is velocity equals horizontal displacement at time divided by time. Displacement is the distance something has traveled from a point of origin in a set amount of time.

Divide the horizontal displacement by time to find the horizontal velocity. In the example, V = 4 meters per second.

Try a more difficult problem, such as V = -5 meters / 4 seconds. In this problem, V = -1.25. A negative horizontal velocity would mean that the object went backward from its original position.

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