Two rigid bodies A and B rotate with rotational kinetic energies E A and E B respectively. The moments of inertia of A and B about the axis of rotation are I A and I B respectively. If I A = I B /4 and E A = 100 E B the ratio of angular momentum ( L A ) of A to the angular momentum ( L B ) of B is
Text Solution
Verified by ExpertsThe correct answer is:
C
From the formula, rotational K.E. 
Therefore, 
Hence 
?
(i) and 
?(ii) From equation (i) and (ii) 
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