Question

A body moves in a circular path of radius 10 cm. If it completes two revolutions along the circular path, then displacement of a body is
(alzero
(b)40 cm
(c)20 cm
(d) None of these

Answer 1

displacement is zero

the body start from point x

and it complete at same point x

displacement=final position-initial position

displacement=x-x

displacement=0