A farmer moves along the boundary of a square field of side 10m in 40sec. What will be the magnitude of displacement of the farmer at the end of 2min 20 seconds from his initial position?
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magnitude of displacement = 5m
2 min and 20 seconds = 140 seconds
140 / 40 = 3.5 sides of the square field, leaving him 0.5 of the length of the side of his square field from his starting point.
0.5 x 10 = 5
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