Posted by **marquis** on Thursday, June 23, 2011 at 11:44am.

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?

- physics -
**bobpursley**, Thursday, June 23, 2011 at 11:51am
100N-30N+10N=80N

- physics -
**Anonymous**, Thursday, July 7, 2011 at 9:56am
20

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