Three equal masses (each m) are placed at the corners of an equilateral triangle of side `a`. Then the escape velocity of an object from the circumcentre P of triangle is

Three points charges are placed at the corners of an equilateral triangle of side L as shown in the figure:

Four equal masses (each of mass M) are placed at the corners of a square of side a. The escape velocity of a body from the centre O of the square is

Three charges each 20muC are placed at the corners of an equilateral triangle of side 0.4m The potential energy of the system is

Four equal masses (each of mass M) are placed at the corners of a squares side a the escape velocity of a body from the centre O of the square is

Charge of 5 mu C each are placed at the corners of an equilateral triangle of side 10 cm. Then the force on each charge is :-

Three identical masses, each of mass 1kg, are placed at the corners of an equilateral triangle of side l . Then the moment of inertia of this system about an axis along one side of the triangle is

Two north poles each of pole strength m and a south pole of pole strength m are placed at the three corners of an equilateral triangle of side a. The intensity of magnetic induction field strength at the centre of the triangle is

Three masses 3,4 and 5 kg are located at the corners of an equilateral triangle of side 1m. Locate to centre of mass of the system.