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Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ

Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ respectively. The moments of inertia of A and B about the axis of rotation are Iᴀ and Iʙ respectively. If Iᴀ = Iʙ/4 and Eᴀ = 100 Eʙ, the ratio of angular momentum (Lᴀ) of A to the angular momentum (Lʙ) of B is

Options

(a) 25
(b) 5/4
(c) 5
(d) 1/4

Correct Answer:

5

Explanation:

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