76.
Two rigid bodies A and B rotate with rotational kinetic energies EA and EB respectively. The moments of inertia of A and B about the axis of rotation are IA and IB respectively. If IA = IB /4 and EA = 100 EB the ratio of angular momentum (LA) of A to the angular momentum (LB) of B is
(a) 25
(b) 5/4
(c) 5
(d) 1/4
Ans. c
(15)
5/5 - (1 vote)
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