Initial Velocity
Initial Velocity Formula |
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| \( v_i \;=\; v_f - a \cdot t \) | ||
| Symbol | English | Metric |
| \( v_i \) = initial velocity | \(ft\;/\;sec\) | \(m\;/\;s\) |
| \( v_f \) = final velocity | \(ft\;/\;sec\) | \(m\;/\;s\) |
| \( a \) = acceleration | \(ft\;/\;sec^2\) | \(m\;/\;s^2\) |
| \( t \) = time | \( sec \) | \( s \) |
Initial velocity, abbreviated as \(v_i\), is the starting point at which motion begins.

Initial Velocity Formula |
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| \( v_i \;=\; \dfrac{ s }{ t } - ( \dfrac{1}{2} \cdot a \cdot t )\) | ||
| Symbol | English | Metric |
| \( v_i \) = initial velocity | \(ft\;/\;sec\) | \(m\;/\;s\) |
| \( s \) = displacement | \( ft \) | \( m \) |
| \( t \) = time | \( sec \) | \( s \) |
| \( a \) = acceleration | \(ft\;/\;sec^2\) | \(m\;/\;s^2\) |
Initial Velocity Formula |
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| \( v_i \;=\; \sqrt{ v_f - ( 2 \cdot a \cdot d ) } \) | ||
| Symbol | English | Metric |
| \( v_i \) = initial velocity | \(ft\;/\;sec\) | \(m\;/\;s\) |
| \( v_f \) = final velocity | \(ft\;/\;sec\) | \(m\;/\;s\) |
| \( a \) = acceleration | \(ft\;/\;sec^2\) | \(m\;/\;s^2\) |
| \( d \) = distance | \(ft\) | \(m\) |
