Question

1.
A farmer moves along the boundary of a rectangular field ABCD as shown in
the figure. He takes 4 minutes to travel across each side.
80 m
A
B
40 m
40 m
80 m
С
Is the motion of this farmer uniform or non-uniform? Find his average
over one complete round of the field.
speed​

Answer 1

The motion of farmer is non uniform motion because he first covers the distance of 80 m in 4 minutes but after that he covers the distance of 40 m in 4 minutes only. So motion is non uniform....

Average speed = total distance/total time

= (80 + 40 +40+ 80)m/ 16 minutes

= 240m / 16 minutes

= 15m/s

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Answer 2

Answer:

The motion of farmer is non- uniform motion because he first cover the distance of 80 m in 4 minutes but after that he cover the distance of 40 m in 4 minutes only .So, motion is non uniform