11.A uniform, narrow rod of mass M and length L rotates freely about an axis through one of its ends and perpendicular to the rod, as shown below. The rotational inertia of the rod about this axis is 
(A) 1/2ML2
(B) 1/3ML2
(C) 1/4ML2
(D) 1/5ML2
(E) 1/12ML2
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統計: A(2), B(8), C(0), D(0), E(0) #3427011
統計: A(2), B(8), C(0), D(0), E(0) #3427011