Question

a car is moving on a circular road of radius r. calculate the displacement after moving half a circle and ¼th of a circle​

Answer 1

Answer:

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