ch03-p058 - 58. We choose +x east and +y north and measure...

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58. We choose + x east and + y north and measure all angles in the “standard” way (positive ones counterclockwise from + x , negative ones clockwise). Thus, vector G d 1 has magnitude d 1 = 3.66 (with the unit meter and three significant figures assumed) and direction θ 1 = 90°. Also, G d 2 has magnitude d 2 = 1.83 and direction 2 = –45°, and vector G d 3 has magnitude d 3 = 0.91 and direction 3 = –135°. We add the x and y components,
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