Question

a body is moving around a circular path of radius r .what will be the distance travelled and displacement of the body when it completes half a revolution?

Answer 1

if r is 10 so answer is 5 take any radius and half it that half one is ans

Answer 2

hello there!!!

For half revolution,
Distance travelled by the body in a circular path = Circumference of the circle /2 = 2πr /2 = πr
Displacement = diameter of the circle = 2r

hope it helps you