Kinematic Equations
Kinematics formulas are about objects in motion and their interrelationship. These formulas are only accurate if acceleration is constant during a time interval and it assumes all variables are in the same direction.
Kinematic Equations formulas
\(\large{ d = v_i \; t + \frac {1} {2} \; a \; t^2 }\) | |
\(\large{ \frac {v_i \;+\; v_f} {2} = \frac {d} {t} }\) | |
\(\large{ a = \frac {v_f \;-\; v_i} {t} }\) | |
\(\large{ {v_f}^2 = {v_i}^2 + 2 \; a \; d }\) |
Where:
Units | English | Metric |
\(\large{ s }\) = displacement | \(\large{ft}\) | \(\large{m}\) |
\(\large{a}\) = acceleration | \(\large{\frac{ft}{sec^2}}\) | \(\large{\frac{m}{s^2}}\) |
\(\large{t}\) = time | \(\large{sec}\) | \(\large{s}\) |
\(\large{v_f}\) = final velocity | \(\large{\frac{ft}{sec}}\) | \(\large{\frac{m}{s}}\) |
\(\large{v_i}\) = initial velocity | \(\large{\frac{ft}{sec}}\) | \(\large{\frac{m}{s}}\) |