Question

a farmer moves along the boundary of a square field of side 10 metre in 40 seconds what will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from his initial position...

tell the answer plz fast and I will mark the brillant​

Answer 1

side of square Field=10m

perimeter =4×10=40m

40m=40sec

1m=1sec

convert 2min 20 sec in seconds=140sec

140m=140sec

displacement=diagonal of square

root2×s

1.414×140

=19.796m