Find the coordinates of the vertices of an equilateral triangle of side 2a as shown in Figure.

Three charges Q, (+q) and (+q) are placed at the vertices of an equilateral triangle of side l as shown in the figure. It the net electrostatic energy of the system is zero, then Q is equal to

Three charges Q, (+q) and (+q) are placed at the vertices of an equilateral triangle of side l as shown in the figure. It the net electrostatic energy of the system is zero, then Q is equal to

Three particles of massses 50 g, 100 g and 150 g are placed at the vertices of an equilateral triangle of side 1m ( as shown in the figure ) . The ( x, y) coordinates of the centre of mass will be :

Three particles, each of mass m are situated at the vertices of an equilateral triangle ABC of side L as shown in the figure. Find the moment of inertia of the system about the line AX perpendicular to AB in the plane of ABC

How much work has to be done in assembling three charged particles at the vertices of an equilateral triangle as shown in figure

Find the altitude of an equilateral triangle of side 8 cm.

Three particles, each of mass m are situated at the vertices of an equilateral triangle ABC of side l (as shown in the figure). The moment of inertia of the system about a line AX perpendicular to AB and in the plane of ABC, will be:

Three masses each of mass m are palced at the vertices of an equilateral triangles ABC of side l as shown in figure. The force acting on a mass 2m placed at the centroid O of the triangle is

Find the perimeter of an equilateral triangle of side 13 cm.

(a) Three point charges q,-4q and 2q are placed at the vertices of an equilateral triangle ABC of side 'l' as shown in the figure. Obtain the expression for the magnitude of the resultant electric force acting on the charge q. (b) Find out the amount of the work 4one to separate the charges at infinite distance.