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A student bikes to school by traveling first dN = 0

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A student bikes to school by traveling first dN = 0.800 miles north, then dW = 0.300 miles west, and finally dS = 0.200 miles south.Take the north direction as the positive y direction and east as positive x. The origin is still where the student starts biking. Let d? N be the displacement vector corresponding to the first leg of the student's trip. Express d? N in component form