A disc of mass M rotates freely about a fixed horizontal

Last updated: 6/13/2023

A disc of mass M rotates freely about a fixed horizontal axis through its centre A thin cotton pad is fixed to its rim which can absorb water The mass of water dripping onto pad is m g s After what time will the angular velocity of disc get reduced to half of its initial value Ignore friction R Wheel Disc O 2M m OM 2m OM 4m Water OM m