Vector_HW - method you wish A × B . C = A . B × C A × B...

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1. (a) What is the cross product r OA × r OB ? (b) Determine a unit vector e that is perpendicular to r OA and r OB . (c) Determine the vector from A to B , and show (using the dot product) that this vector is perpendicular to e . 2. Show that the following identities for the scalar triple product are true using any
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Unformatted text preview: method you wish A × B . C = A . B × C A × B . C = C × A . B Which operation ( . or × ) is carried out first when evaluating the scalar triple product and why don't we need parentheses to denote which operation to perform first?...
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This note was uploaded on 01/25/2009 for the course EM 306 taught by Professor Rodin during the Fall '07 term at University of Texas at Austin.

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