Why ignore air resistance?
This calculator assumes vacuum. Real-world objects experience drag.
Calculator
Enter your values
Results
Fall Time
4.52 s
Impact Velocity
44.29 m/s
Analysis
Interpretation of the current calculator output
Calculation Summary
The current inputs have been processed for the free fall calculator. Review the results panel for the computed output and use the charts tab to compare the current values visually.
How to Read It
The main result shows the direct answer for your current inputs. Supporting sections below explain the method, example, and common questions so the result is easier to interpret.
How to Use
Step-by-step instructions
- 1Enter the drop height.
- 2Enter initial velocity (0 if dropped).
- 3View fall time and impact velocity.
Free Fall
Objects in free fall accelerate at 9.81 m/s² (gravity).
v² = v₀² + 2ghVariables:
g9.81 m/s²hHeight (m)vFinal velocityExample
Dropped Ball
Inputs:
Height:100 m
v₀:0 m/s
Steps:
- 1.t = √(2h/g)
- 2.t ≈ 4.52 s
Result:
4.52 s