a solid sphere of radius 'r' is revolving about one of its diameter with an angular velocity 'w'.If it suddenly expands uniformly so that it's radius increases to n times its original value, then it's angular velocity becomes __
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Given:
a solid sphere of radius 'r' is revolving about one of its diameter with an angular velocity 'w'.If it suddenly expands uniformly so that it's radius increases to n times its original value.
To find:
Value of new angular velocity?
Calculation:
- Since there is no external torque acting on the system, the angular momentum of the system will remain constant
So, final angular velocity is :
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