Question

A particle is moving in a circular path of radius r. The displacement after half a circle would be: * 1 point (a) Zero (b) πr (c) 2r (d) 2πr​

Answer 1

The displacement after half a circle would be, given after half the circle, the particle will reach the diametrically opposite point from point A to point B. And, we know displacement is the shortest path between the initial and final point. Hence, the displacement after the half-circle is 2r.

Step-by-step explanation:

Which is choice C