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Q. Mackinzie walks 4 blocks west, then 2 blocks south, 4 blocks east, and finally, 1 block south. What is the magnitude of her total displacement during this walk (in blocks)?

Q. Two stationary positive point charges, charge 1 of magnitude 3.55 and charge 2 of magnitude 2.00 , are separated by a distance of 30.0 . An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges.

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