20 A child stands at centre of turntable with his two arms

Last updated: 6/11/2023

20 A child stands at centre of turntable with his two arms outstretched The turntable is set rotating with angular speed of 40 rad s 1 What will be angular speed of child if he folds his hands back reducing moment of inertia times the initial value ignore friction NCERT Pg 180 to 5 1 50 rad s 1 2 75 rad s 1 3 100 rad s 1