Vastor Posted June 5, 2011 Share Posted June 5, 2011 (edited) at 6:17, the equation should be[math]\Delta v = v_f - v_i[/math]but the vid shown that it substitute [math] v_y [/math] into the equation[math]\Delta v = v_f - v_y[/math]which would result in[math]\Delta v = v_f - \frac{1}{2}v_i[/math]does I miss something here? or Khan just do another mistake? Edited June 5, 2011 by Vastor Link to comment Share on other sites More sharing options...
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