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Mike walks 100 meters north, then walks 30 meters south. After this, he walks another 10 meters north. What is the magnitude of his total displacement during this walk, in meters?

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asked by marquis

  1. 100N-30N+10N=80N

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    bobpursley

  2. 20

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    posted by Anonymous

  3. The answer is 80 because 100-30+10 is 80.

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    posted by someone

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