Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momentum will be in the ratio:
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a
1:2
b
2:1
c
1:2
d
2:1
answer is C.
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Detailed Solution
As E1=E2 ∴ 12I1ω12=12I2ω22 or ω1ω2=I2I1Now, L1L2=I1ω1I2ω2=I1I2I2I1=I1I2 =I2I =12 .