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प्रश्न
A person walks 10 km north and then 5 km south. What is their displacement?
विकल्प
15 km south
5 km north
15 km (no direction)
Cannot be determined
MCQ
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उत्तर
5 km north
Explanation:
Displacement is the final position relative to the starting point. Net displacement = 10 km north - 5 km south = 5 km north.
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