Torricelli's_equation
In physics, Torricelli's equation, or Torricelli's formula, is an equation created by Evangelista Torricelli to find the final velocity of a moving object with constant acceleration along an axis (for example, the x axis) without having a known time interval.
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The equation itself is:[1]
where
- is the object's final velocity along the x axis on which the acceleration is constant.
- is the object's initial velocity along the x axis.
- is the object's acceleration along the x axis, which is given as a constant.
- is the object's change in position along the x axis, also called displacement.
In this and all subsequent equations in this article, the subscript (as in ) is implied, but is not expressed explicitly for clarity in presenting the equations.
This equation is valid along any axis on which the acceleration is constant.