ch03-p042 - 42. Applying Eq. 3-23, F = qv B (where q is a...

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42. Applying Eq. 3-23, G G G Fq vB (where q is a scalar) becomes () ˆˆ ˆ ˆ ˆ ˆ ijk i j k xyz y z z y z x x z x y y x FFF q v B v B q v B v B q v B v B ++= + + which — plugging in values — leads to three equalities: 4.0 2 (4.0 6.0 ) 20 2 (6.0 2.0 ) 12 2 (2.0 4.0 ) zy x z yx B B B B B B =− −= Since we are told that B
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