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Question

A girl starts from point A goes to O then to B. She then returns to A following a circular track. What is the distance covered and displacement of the girl?
Given: OA = OB = 15 m and length of circular track AB = 80 m.

  1. 100 m,0 m
  2. 110 m,110 m
  3. 0 m,110 m
  4. 110 m,0 m


Solution

The correct option is D 110 m,0 m
Distance is the actual path (length) covered by the girl.
So distance is AO + OB + circular path AB =15+15+80=110 m.
The distance covered by the girl is 110 m.

Since, she returns to her original position, displacement is zero.

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