Four identical particles of mass M are located at the corners of a square of side ‘a’. What should be their speed if each of them revolves under the influence of others’ gravitational field in circular orbit circumscribing the square ?

Four identical particles of mass M are located at the corners of a square of side a . What should be their spoed if each of them revolves under the influence of other's gravitational field in a circular orbit circumscribing the square?

Four identical particles of mass M are located at the corners of a square of side 'a' . What should be their speed if each of them revolves under the influence of others' gravitational field in a circular orbit circumscribing the square?

Three particle each of mass m , are located at the vertices of an equilateral triangle of side a. At what speed must they move if they all revolve under the influence of their gravitational force of attraction in a circular orbit circumscribing the triangle while still preserving the equilateral triangle ?

Three particle each of mass m , are located at the vertices of an equilateral triangle of side a. At what speed must they move if they all revolve under the influence of their gravitational force of attraction in a circular orbit circumscribing the triangle while still preserving the equilateral triangle ?

Three identical particles each of mass "m" are arranged at the corners of an equiliteral triangle of side "L". If they are to be in equilibrium, the speed with which they must revolve under the influence of one another's gravity in a circular orbit circumscribing the triangle is

Four particles of masses m, m, 2m and 2m are placed at the four corners of square of side a. Find the centre of mass of the system.