Two bodies with moments of inertia I1 and I2I1>I2 have equal angular momenta. If their kinetic energies of rotation are E1 and E2, respectively, then

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E1=E2

E1>E2

E1≥E2

answer is B.

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Detailed Solution

E1=12I1ω12=12I1ω1ω1=12kω1 Now I1ω1=I2ω2=k (say) E2=12I2ω22=12I2ω2ω2=12kω2I1>I2 and ω2>ω1 so, E2>E1

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