A metal cube of side 10cm is subjected to a shearing stress of `10^4 Nm^-2`. Calculate the modulus of rigidity if the top of the cube is displaced by 0.05 cm with respect to its bottom.

Find the volume of cube if,its edge is 10 cm.

A regular hexagon of side 10 cm has a charge 5muC at each of its vertices. Calculate the potential at the centre of the hexagon.

A cube of side 40 mm has its upper face displaced by 0.1 mm by a tangential force of 8 kN. Find the shearing modulus of the cube.

To make a cube of side 1 metre each, how many cubes of side 10 cm each will be required ?

2xx10^(8) atoms of carbon are arranged side by side. Calculate the radius of carbon atom if the length of this arrange is 2.4 cm.

The upper surface of an aluminium cube of side 10 cm is displaced by 0.03 cm with respect to its firmly held lower surface by a tangential force of 7.5 times 10^10 dyn . Calculate the modulus of rigidity of aluminium.

Two equal and opposite forces are applied tangentially to two mutually opposite faces of an aluminium cube of side 3 cm to produce a shear of 0.01^@ . IF the modulus of rigidity for aluminium is 7 times 10^10 N.m^-2 , then calculate the force applied.

The length of diagonal of each surface of a cube is 4sqrt2 cm. Calculate that total surface area of the cube.