WHAT IS THE CENTRE OF MASS OF ICE IN TRAY IF THE LENGTH OF ICE IS L THEN FIND THE CENTRE OF MASS OF SYSTEM (ICE+TRAY) AFTER THE ICE MELTED ALSO FIND THE CENTRE OF MASS OF SYSTEM IN A GRAVITY FREE HALL. IF THE MASS OF ICE IS M1 AND MASS OF TRAY IS M2.
The question is incomplete. It does not mention the orientation of the axis and how the block of ice is placed on the tray. The c.m depends on both of them.