1 90 5 J 3 60 7 J 2 48 J 4 100 8 J As shown in the figure a

Last updated: 6/9/2023

1 90 5 J 3 60 7 J 2 48 J 4 100 8 J As shown in the figure a bob of mass m is tied by a massless string whose other end portion is wound on a fly wheel disc of radius r and mass m When released from rest the bob starts falling vertically When it has covered a distance of h the angular speed of the wheel will be 1 2gh m r 3 XT T Ima m img 1 4gh 3