Drag the vectors to wherever you
wish, then click one of the four choice buttons. Click "Score" to see how
you did. If you get it wrong you must "Reset" to be allowed to continue. You
must get a winning streak of 5 or more before the problem is considered "done".
If you have difficulties, you may wish to revisit the "Tutorial
Summary".Credits Authored by Kevork Spartalian, University of
Vermont, based on Davidson College
physlets.