11. Dong walked 100 m East from home to visit Joe. He walked another 300 m North to fetch Anna and together they walked 200 m West. Anna takes a rest and Dong continues to walk 400 m West. Which of the following statements is correct? A. Dong went home. B. Dong traveled a total distance of 1,000 m. C. Dong's displacement is zero D. Dong traveled a lesser distance than Anna.
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Answer:
B.
Explanation:
Dong did not go home since he is 500 meters west and 300 meters north away from his home, Dong also did not travel a less distance than Anna since Anna only walked 200 meters. If you add up the distance he traveled, which is 100+300+200+400, it will give you 1,000 meters. Which means the only correct answer is letter B, Dong traveled a total distance of 1,000 meters.
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