A boy starts from point A and walks 3 meters toward the south, then turns around and walks 7 meters toward the north. What is th
e boys placement from point A?
1 answer:
Answer:
-3m+7m = 4m
Explanation:
As he walks south, he is going down 3m (-3m). Then he walks up 7m (+7m).
You subtract the final position from the initial position to get displacement.
7m - 3m = 4m
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