[问答题]
A uniform rod of mas
m1dek5i 30p-,u/yazufu ib, krl (7qgs M and length L can pivot freely (i.e., we ignore
n*w.st1 xy ;0..mmn 7 2 xbstqqtrnta0friction) about a hi
mn*b27q0 xwn tr s.qy xtn;att.s0m1.nge 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 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.]

