If the angular momentum of any rotating ...

If the angular momentum of any rotating body increases by `200%`, then the increase in its kinetic energy

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AS `E=L^2/21rArrE_2/E_1=(L_2/L_1)^2=((3L_1)/L_1)^2` [As `L_2 =L_1+200%L_1=3L_1`]`rArr E_2=9E_1=E_1+800%of E_1`.

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