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)
(B)
(C)
(D)
(E)
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統計: A(2), B(2), C(0), D(0), E(0) #3427011
統計: A(2), B(2), C(0), D(0), E(0) #3427011