Asked by Squawk

Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê.
Answered by Steve
no diagrams here, but a google on vectors dot product will turn up many discussions and diagrams.
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