A uniform triangular plate of mass `12kg` and `l=2m` is rotated about the axis shown with constant angular speed of `omega`= `3``frac{rad}{sec}`. The kinetic energy of plate in joule is

A spherical solid ball of 1 kg mass and radius 3 cm is rotating about an axis passing through its centre with an angular velocity of 50 rad s^(-1) . The kinetic energy of rotation is

A solid cylinder of mass M and radius R rotates about its axis with angular speed omega . Its rotational kinetic energy is

A particle of mass m rotates with a uniform angular speed omega . It is viewed from a frame rotating about the Z-axis with a uniform angular speed omega_0 . The centrifugal force on the particler 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 rod of mass 2 kg ad length 2 m is rotating about its one end O wth an angular velocity omega=4rad//s . Find angular momentum of the rod about the axis rotation.

A thin circular ring of mass M and radius R is rotating about its axis with constant angular velocity omega . The objects each of mass m are attached gently to the ring. The wheel now rotates with an angular velocity.