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A girl leaves a history classroom and walks 10. meters north to a drinking fountain. Then she turns and walks 30. meters south to an art classroom. What is the girl's total displacement from the history classroom to the art classroom?
- A 20. m south
- B 20. m north
- C 40. m north
- D 40. m south
That's Correct!
It's Wrong!
The girl's total displacement from the history classroom to the art classroom is 20 meters south. This is because she initially walked 10 meters north, but then turned and walked 30 meters south. The northward and southward displacements cancel each other out, resulting in a net displacement of 20 meters south.
