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A girl delivering newspapers covers her route by traveling 3 blocks west, 4 blocks north, and then 6 blocks east. What is her total displacement? Explain.
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here is the motion of the girls in vectors:|dw:1327983641406:dw|Now let's look at the displacement vector...
|dw:1327983784722:dw|so since this produces a right triangle, we see that the displacement can be found through the Pythagorean triangle
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