What is the difference between actual velocity and theoretical velocity? please help

An actual velocity is measured directly from an object's displacement-time graph while a theoretical velocity is calculated by using a mathematical equation or scientific theory.

Velocity refers to the rate of change in displacement (distance) of an object with respect to time.

Also, velocity is a vector quantity and this simply means that, it has both magnitude (speed) and direction.

Mathematically, velocity is given by the formula;

In an experiment, there are two (2) main types of velocity used and these include:

In conclusion, an actual velocity is measured directly from an object's displacement-time graph while a theoretical velocity is calculated by using a mathematical equation or scientific theory.

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