A ring of mass `6kg` and radius `40cm` is revolving at the rate of `300` rpm about an axis passing through its diameter. The kinetic energy of rotation of the ring is

A ring of mass 100 kg and diameter 2 m is rotating at the rate of (300/(pi)) rpm. Then

A ring of mass 100 kg and diameter 2 m is rotating at the rate of (300/(pi)) rpm. Then

A flywheel of mass 60 kg and radius 40 cm is revolving at 300 rpm, then its rotational K.E. is

A fly wheel of mass 60 kg and radius 40 cm is revolving at 300 rpm, then its rotational K.E. is

If a solid sphere of mass 1kg and radius 3 cm is rotating about an axis passing through its centre with an angular velocity of 50 rad/s, then the kinetic energy of rotation will be

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 flywheel of mass 10 kg and radius 10 cm is revolving at a speed of 240 r.p.m. Its kinetic energy is