[问答题]
A uniform rod of mas
x4 n0jou9mop v /4t 6ixpe5b8qs
yfd8(c;ph* hia t :d.k M and length L can pivot freely (i.e., we ignore friction) about a hinge attached to a wall, as in Fig. 8–54. The rod is held horizontall
ac ;( th *hyk:fd8dip.y and then released. At the moment of release, determine (a) the angular acceleration of the rod, and (b) the linear acceleration of the tip of the rod. Assume that the force of gravity acts at the center of mass of the rod, as shown. [Hint: See Fig. 8–21g.]

