A boy walks uniformly along the sides of a rectangular park of size 400m×300m , starting from one corner to other corner diagonally opposite . Which of the following statement is incorrect? A) he has traveled a distance of 700m
B) his displacement is 700 m
C) his displacement is 500m
D) his velocity is not uniform throughout the walk.
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Answer :B , because distance is total length of path covered by the body =700m
But , displacement is shortest distance between the initial and final point (diagonal of rectangle)=500m
But , displacement is shortest distance between the initial and final point (diagonal of rectangle)=500m
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