Second Equation of Motion (s = ut + ½at²)
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s = ut + ½at²
What each symbol means
| Symbol | What it stands for |
|---|---|
| a | Constant acceleration (m/s²) |
| s | Displacement along axis (m) |
| t | Time (s) |
| u | Initial velocity (m/s) |
When to use this
Constant acceleration in a straight line; s measured from position at t = 0.