Question

A man runs around exact half the circumference of a circular park of diameter 40 m.
What is the displacement of the man?

Please answer fast......​

Answer 1

Answer:Displacement = Distance between initial and final position. When he travels exact half of the circle then the distance between initial and final position is nothing but diameter of circle. Hence his displacement is 40 m

Hope this helps you.........

Answer 2

Answer:

62.857 m

Explanation:

pi = circumference/diameter

22/7 = circumference/40 m

22/7*40 = circumference

125.714 m = circumference

As the man covers half the circumference the answer is

125.714/2 = 62.857 m