Question

A farmer moves along the boundary of a square feild of side 10m in 40 sec. What will be the magnitude of displacement of the farmer at the end of 2 min 20 sec from his initial position?​

Answer 1

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.