Two discs, each having moment of inertia `5 kg m^(2)`. about its central axis, rotating with speeds `10 rad s^(-1)` and `20 rad s^(-1)`, are brought in contact face to face with their axes of rotation coincided. The loss of kinetic energy in the process is

Two discs of moments of inertia I_1 and I_2 about their respective axes , rotating with angular frequencies omega_1 and omega_2 respectively, are brought into contact face to face with their axes of rotation coincident. The angular frequency of the composite disc will be

Two discs of moments of inertia I_1 and I_2 about their respective axes, rotating with angular frequencies, omega_1 and omega_2 respectively, are brought into contact face to face with their axes of rotation coincident. The angular frequency of the composite disc will be A .

Two discs of moments of inertia I_1 and I_2 about their respective axes (normal to the disc and passing through the centre), and rotating with angular speed omega_1 and omega_2 are brought into contact face to face with their axes of rotation coincident. What is the loss in kinetic energy of the system in the process?

Two discs of moments of inertia I_1 and I_2 about their respective axes (normal to the disc and passing through the centre), and rotating with angular speed omega_1 and omega_2 are brought into contact face to face with their axes of rotation coincident. What is the loss in kinetic energy of the system in the process?

Two dics of moments of inertia I_1 and I_2 about their respective axes (normal to the disc and passing through the centre), and rotating with angular speed omega_1 and omega_2 are brought into contact face to face with their axes of rotation coincident. Calculate the loss in kinetic energy of the system in the process.

Two discs have moments of intertia I _(1) and I _(2) about their respective axes perpendicular to the plane and passing through the centre. They are rotating with angular speeds, W_(1) and W_(2) respectively and are brought into contact face to face with their axes of rotation coaxial. The loss in kinetic energy of the system in the process is given by :