Asked by Ange

How do we find the vector for this situation?
Andrea runs 2 km south, then turns around and runs 3 km north.
Answered by Steve
"the" vector?
There are two given, one pointing south and the other pointing north.
The resultant is the difference between them, since they point in opposite directions. so it is 1km north.
Answered by Henry
Disp. = -2i + 3i = +1i = 1km North.
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