[问答题]
A uniform rod of mass
0w t1+us1cydllhh (( e M and length L ca
k*35ophn ycl6e7cd d1 n pivot freely (i.e., we ignore friction) about a hinge attached to a wall, as in Fig. 8–54. The rod is held horizontally and then released. At the moment of release, determine (a) the angular acceleration of the rod, and (b) the linear acceleratio
6 7 hlpko 15dncc3d*yen 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.]

