1. (a) The force on the electron is ()( ) ( )196614ˆˆˆˆijik=1.6 10C2.0 10 m s0.15 T3.0 10 m s 0.030 Tˆ6.2 10N k.BxyxyxyyxFqv B qvvBBjqvB vB−−=×=+×+=−⎡⎤−××−−×⎣⎦GGGGThus, the magnitude of GFBis 6.2 ×1014N, and GFBpoints in the positive zdirection. (b) This amounts to repeating the above computation with a change in the sign in the
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