Free Fall Calculator is a physics calculator used to find the velocity of a falling object, the height it drops from, or the total time the object falls with constant gravity.

The result will be calculated once any input is changed. For example, by inputting the gravity and the object height, the time traveled and velocity are calculated automatically. The same thing happens when you input the velocity; the height/distance and the time traveled are calculated automatically.

Features:
- Instant calculation
- Results are copyable to other apps
- Formulas are included as references

Free fall means that an object is falling freely with no forces acting upon it except gravity, a defined constant, g = -9.8 m/s². The distance the object falls, or height h, is 1/2 gravity times the square of the time falling. Velocity is defined as gravity times time.

Free fall speed:
When an object is released to fall down under the influence of gravitational force with no initial velocity, the velocity of a falling object is given by:
v = g * t
where t stands for time, g for gravity, and v for velocity.

Free fall equation:
The equation for distance or height fallen is given by:
s = 0.5 * g * t²
where t stands for time, g for gravity, and s for distance/height.

Whether explicitly stated or not, the value of the acceleration in the kinematic equations is -9.8 m/s² for any freely falling object. If an object is merely dropped (as opposed to being thrown) from an elevated height, then the initial velocity of the object is 0 m/s.

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