gc textbook chapter 8 Rotational Motion (id: d16c1a995)

[问答题]
A uniform rod of massy6ql8bl:m 7ir3/ bw jhq3pjk, M and length L can pivot freely (i.e., we ignore fricti f6)wlrowhz )o5*u89g5d-uhp xkg v9fon) 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 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. 8–21gh)p)rw g5 f9 o59fdh-uol*wz6vg8kx u.]

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