Question

A farmer moves along the boundary of a square field of 10 m in 40 seconds what will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds​

Answer 1

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Farmer takes 40 s to move along the boundary. Thus, after 3.5 round farmer will at point C of the field. Thus, after 2 min 20 seconds the displacement of farmer will be equal to 14.14 m north east from initial position.

Speed = Distance / Time: Velocity = Displacement / Time

Speed: Velocity