where <math>\bar{v}</math> is the average velocity and <math>x_i</math> and <math>x_f</math> are the initial and final positions and <math>t_i</math> and <math>t_f</math> are the initial and final times<ref>http://theory.uwinnipeg.ca/physics/onedim/node3.html</ref>. | where <math>\bar{v}</math> is the average velocity and <math>x_i</math> and <math>x_f</math> are the initial and final positions and <math>t_i</math> and <math>t_f</math> are the initial and final times<ref>http://theory.uwinnipeg.ca/physics/onedim/node3.html</ref>. |