A boy is seated in as revolving chair revolving at an angulr speed of 120 revolutions per minute. Two heavy balls from part of the revolving system and the boy can poull the balls closer to himself or may push them apart. If by pulling the bals closer, the boy decreases the moment of inertia fo th system from `6 kg-m^2 to kg-m^2` what wil be the new angular speed?

A boy is seated in a revolving chair revolving at an angular speed of 120 revolutions per minute. Two heavy balls form part of the revolving system and the boy can pull the balls closer to himself or may push them apart. If by pulling the balls closer, the boy decreases the moment of inertia of the system from 6 kg-m^2 to 2 kg-m^2 what will be the new angular speed?

A boy is seated in a revolving chair revolving at an angular speed of 120 revolutions per minute. Two heavy balls form part of the revolving system and the boy can pull the balls closer to himself or may push them apart. If by pulling the balls closer, the boy decreases the moment of inertia of the system from 6 kg-m^2 to 2 kg-m^2 what will be the new angular speed?

A boy is seated in a revolving chair revolving at an angular speed of 120 rpm. By some arrangement, the boy decrease the moment of inertia of the system from 6 kg m^(2) to 2 kg m^(2) . What will be the new angular speed ?

A diver having a moment of inertia of 6.0 kg-m^2 about an axis through its centre of mass rotates at an angular speed of 2 rad/s about this axis. If he folds his hands and feet to decrease the moment of inertia to 5.0 kg-m^2 what will be the new angular speed?

A diver having a moment of inertia of 6.0 kg-m^2 about an axis through its centre of mass rotates at an angular speed of 2 rad/s about this axis. If he folds his hands and feet to decrease the moment of inertia to 5.0 kg-m^2 what will be the new angular speed?

Two bodies of masses 1 kg and 2 kg, separated by 6 m are rotating about the centre of mass of the system. The moment of inertia of the system is

Two bodies of masses 1 kg and 2 kg, separated by 6 m are rotating about the centre of mass of the system. The moment of inertia of the system is

A man stands on a rotating platform, with his arms stretched horizontally holding a 5 kg weight in each hand. The angular speed of the platform is 30 revolutions per minute. The man then brings his arms close to his body with the distance of each weight from the axis changing from 90cm to 20cm. The moment of inertia of the man together with the platform may be taken to be constant and equal to 7.6 kg m^2 :- What is his new angular speed? (Neglect friction.)

A diver having a moment of iertia of 6.0 kg-m^2 about an axis through its centre of mass rottes at an angular speed of 2 rad/s about this axis. If he folds his hands and feet to decrease the moment of inerti to 50.0 kg-m^2 what will be the new angular speed?