Starting from a point A ,a girl walks towards east direction for 40 meters to reach point B then she turns to her left and again walks 30 meters to reach C. Total time taken by the girl to reach from A to C is 20 seconds. What is the displacement of the girl
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Answer:
7/2 or 3.5
Explanation:
step by step
total distance =70m
total time 20 sec
displacement =70/20
7/2
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