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A child is standing with folded hands at the centre of a platform rotating about its central axis. The kinetic energy of the system is K. The child now stretches his arms so that the moment of inertia of the system becomes 3/2 of the initial moment of inertia. The kinetic energy of the system is now

Option 1 -

2K/3

Option 2 -

K/3

Option 3 -

K/4

Option 4 -

4K/9

0 1 View | Posted 4 days ago
Asked by Shiksha User

  • 1 Answer

  • Correct Option - 1


    Detailed Solution:
    Kindly go through the solution

     

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