Physics

Physics

Problem

A girl walks 4 m4\,\text{m} north and then 3 m3\,\text{m} east. Which statement about the distance travelled (D)(D) and the magnitude of displacement (d)(d) is correct? a) D=5 m,  d=7 mD = 5\,\text{m},\; d = 7\,\text{m} b) D=7 m,  d=7 mD = 7\,\text{m},\; d = 7\,\text{m} c) D=7 m,  d=5 mD = 7\,\text{m},\; d = 5\,\text{m} d) D=7 m,  d=0D = 7\,\text{m},\; d = 0

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