Question:

A boy of mass M stands at the edge of a circular platform of

Last updated: 6/7/2023

A boy of mass M stands at the edge of a circular platform of

A boy of mass M stands at the edge of a circular platform of radius R capable of rotating freely about its axis The moment of inertia of the platform about the axis is I The system is at rest A friend of the boy throws a ball of mass m with a velocity v horizontally The boy on the platform catches it when it passes tangentially to the platform Find the angular velocity of the system after the boy catches the ball O O O O mv R I mR mvR 1 MR mVR M m R mvR 1 M m R