Question

A man runs around exact half the circumference of a circular park of radius 20 m. What will be the displacement of the man *

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.

Explanation:

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Answer 2

Explanation:

Given

Dia of circular park=40m

Distance travelled by man = a

half of the Circumference

As we know the displacement is the minimum distance between starting point and end point

So displacement will be equal to Dia of the circular park

So

Displacement =40m