Barbara travels 20. km Northward, then travels 40. km Eastward, then continues for 50. km in a Southward direction. What displacement will now take her back to her initial position?
A) 30. km Westward + 40. km Northward
B) 50. km Northwest
C) 40. km Westward + 30. km Northward
D) 30. km Northward + 30. km Westward
E) 40. km Eastward + 30. km Southward
C
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