38 A U shaped smooth wire has a semicircular bending between

Last updated: 6/9/2023

38 A U shaped smooth wire has a semicircular bending between A and B as shown in the figure A bead of mass m moving with uniform speed v through the wire enters the semicircular bend at A and leaves at B The average force exerted by the bead on the part AB of the 2mv b 4mv nd d None of these A B