A recording disc rotates steadily at 45 revolutions/min on a table When a small mass 0 02 kg is - Physics - System Of Particles And Rotational Motion

Question

A recording disc rotates steadily at 45 revolutions/min on a table
When a small mass 0 02 kg is dropped gently on the disc at a
distance of 0 04 m from its axis and stucks to the disc, the rate
os revolution falls to 36 rev/min Moment of inertia
of intertia of the disc about its centre is

Deepak Kumar · Accepted Answer

A recording disc rotates steadily at 45 revolutions/min on a table. When a small mass 0.02 kg is dropped gently on the disc at a distance of 0.04 m from its axis and stucks to the disc, the rate os revolution falls to 36 rev/min. Moment of inertia of intertia of the disc about its centre is

A recording disc rotates steadily at 45 revolutions/min on a table. When a small mass 0.02 kg is dropped gently on the disc at a distance of 0.04 m from its axis and stucks to the disc, the rate os revolution falls to 36 rev/min. Moment of inertia
of intertia of the disc about its centre is