A cylinder of radius R full of liquid of density p is rotated about its axis at w rad/s. The increase in pressure at the centre of the cylinder will be

A solid cylinder of mass 3 kg and radius 10 cm is rotating about its axis with a frequency 20//pi . The rotational kinetic energy of the cylinder

A solid cylinder of mass 2kg and radius 20 cm is rotating about its axis with a frequency (10//pi)Hz .The rotational kinetic energy of the cylinder is :

An solid cylinder of mass 20 kg and radius 20 cm rotates about its axis with a angular speed 100 rad s^-1 . The angular momentum of the cylinder about its axis is.

An solid cylinder of mass 20 kg and radius 20 cm rotates about its axis with a angular speed 100 rad s^-1 . The angular momentum of the cylinder about its axis is: a) 40 J s b) 400 J s c) 20 J s d) 200 J s

An infinite cylinder of radius r with surface charge density sigma is rotated about its central axis with angular speed omega . Then the magnetic field at any point inside the cylinder is

A small tank of cylindrical shape and of radius R is containing a liquid of density sigma. On rotating the vessel about its axis with angular velocity omega, the liquid rises at the sides of vessel through height h. P_1 and P_2 are pressure at sides and at the centre of tank respectively, then

The moment of inertia of a solid cylinder of mass M, length 2 R and radius R about an axis passing through the centre of mass and perpendicular to the axis of the cylinder is I, and about an axis passing through one end of the cylinder and perpendicular to the axis of cylinder is I_2 then

The moment of inertia of a solid cylinder of mass M, length 2 R and radius about R an axis passing through the centre of mass and perpendicular to the axis of the cylinder is I and about an axis passing through one end of the cylinder and perpendicular to the axis of cylinder is I_(2) ,then