Three particles of masses 1.0 kg, 2.0 kg and 3.0 kg are placed at the corners A, B and C respectively of an equilateral triangle ABC of edge 1 m. Locate the center of mass of the system.

A body moving towards a finite body at rest collides with it. It is possible that

In a head-on elastic collision of two bodies of equal masses

The structure of a water molecule is shown in figure (9-E1). Find the distance of the center of mass of the molecule from the center of the oxygen atom.

Seven homogeneous bricks, each of length L, are arranged as shown in figure (9-E2). Each brick is displaced with respect to the one in contact by L/10. Find the x-coordinate of the center of mass relative to the origin shown.