Two uniform thin rods each of length L and mass m are joined as shown in the figure. Find the distance of centre of mass the system from point O

Three identical rods each of length L and mass m are joined to form a U -shape as shown in figure. The distance of centre of mass of combined system from the corner .O. is

Three identical rods each of length L and mass m are joined to form a U -shape as shown in figure. The distance of centre of mass of combined system from the corner .O. is

Three bricks each of length L and mass M are arranged as shown from the wall. The distance of the centre of mass of the system from the wall is

A thin uniform rod of length L is bent at its mid point as shown in the figure. The distance of the centre of mass from the point O is

Two identical thin uniform rods of length L each are joined to form T shape as shown in the figure. The distance of centre of mass from D is

A thin uniform rod of length L is bent at its mid point as shown in the figure. The distance of centre of mass form the point .O. is

Two uniform rods each of mass M and length L are joined as shown in the figure. The moment of inertia of the system about line AB is kML^(2) .Find the value of k .

Four identical uniform thin rods, each of mass m and length l are joined to a common point O as shown in the figure. Moment of inertia of the system about an axis passing through O and lying in the plane of rods is

A uniform thin rod is bent in the form of closed loop ABCDEFA as shown in the figure. The y- coordinate of the centre of mass of the system is