Average Velocity Formula |
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\( \bar {v} \;=\; \dfrac{ 1 }{ 2 } \cdot ( v_i + v_f ) \) (Average Velocity) \( v_i \;=\; 2 \cdot \bar {v} - v_f \) \( v_f \;=\; 2 \cdot \bar {v} - v_i \) |
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| Symbol | English | Metric |
| \( \bar {v} \) = Average Velocity | \(ft \;/\; sec\) | \(m \;/\; s\) |
| \( v_i \) = Initial Velocity | \(ft \;/\; sec\) | \(m \;/\; s\) |
| \( v_f \) = Final Velocity | \(ft \;/\; sec\) | \(m \;/\; s\) |
Average velocity, abbreviated as \(\bar {v}\) or \(v_a\), also called constant acceleration, is the average of any given velocities where the acceleration is constant. The calculation for average velocity with zero accleration is shown below.
