Four sphere each of mass 10 kg and of radius 20 cm are placed at the four cornes of a square of side 100 cm. Calculate the moment of inertia of the system about an axis coinciding with side of the square (given moment of inertia of sphere `= 2/5 MR^2`)

Four sphere each of mass 10 kg and of radius 20 cm are placed at the four cornes of a square of side 100 cm. Calculate the moment of inertia of the system about an axis coinciding with diagonal of the square. (given moment of inertia of sphere = 2/5 MR^2 )

Two spheres each of mass M and radius R//2 are connected with a massless rod of lenth 2R as shown in fig.What will be the oment of inertia of the system about an axis passing through the centre of one of the spheres and prependicular to the rod?

Four point charges 16muC, - 16muC, 16muC and -16muC are located at the corners of a square of each side 10 cm. Find the vlaue of electric field intensity and electric potential at the centre of the square.

The moment of inertia of a solid sphere of density rho and radius R about its diameter is given by :

Four point charges q_A = 2 muC , q_B = -5 muC . q_c = 2 muC , and q_D = -5 muC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 muC placed at the centre of the square?

Moment of inertia of the sphere about its diameter is 2/5Mr^2 . What is the moment of inertia about an axis bot to point of intersection of two diameters?

Two sphere are of same mass and same external radius, one is solid and the other is hollow. Which one of them has larger moment of inertia about its diameter?

Four point charges q_A = 2 mu C , q_B = -5 mu C , q_C = 2 mu C and q_D = -5 mu C are located at the corners of a square ABCD of side 10 cm. What is the forcef on a charge of 1 mu C placed at the centre of the square?

Four charges of +4,-3,+2 and +3 coulomb are placed at the corners of a square of each side 1m. Find the electric field at the centre of the square. Given = epsilon_0 = 8.85 xx 10^-12 C^2N^-1m^-2