Two bodies $A$ and $B$ are rotating freely with moments of inertia $I_A$ and $I_B$ respectively. Given $I_A > I_B$ and their angular momenta are equal. If $K_A$ and $K_B$ are their rotational kinetic energies,then:
- A$K_A = K_B$
- B$K_A > K_B$
- C$K_A < K_B$
- D$K_A = 2K_B$
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