Question

A person travels distance πR along the circumference of a circle of radius R. Displacement of the person is​

Answer 1

Explanation:

But given that the person travels a distance of πR along the circumference of the circle (Means he travels only half of the revolution of circle i.e. semicircle). ... Here, the displacement is equal to diameter or 2*radius and given radius of circle is R. Therefore, the Displacement of the person is 2R.