Solved Examples 1. A farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds ? Sol. Distance covered in one round = 40 m Time taken = 40s Total time of journey = 2 min. 20s = 140 s Total distance covered = = 140 M Total rounds = = 3.5 round After every complete round, farmer will be at the starting point, hence after 3.5 rounds farmer will be at the diagonal ends of the field. Displacement = = 2. In a long distance race the athletes were expected to take four rounds of the track such that the line of finish was same as the line of start. Suppose the length of the track was 200 m (i) What is the total distance to be covered by the athletes? (ii) What is the displacement of the athletes when they touch the finish line? (iii) Is the motion of the athletes uniform or non-uniform. (iv) Is the displacement of an ath...
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