本题目来源于试卷: Angular Momentum,类别为 美国物理杯赛(Physics Bowl)
[单选题]
05.49: Two solid disks are made of the(e 9l52tvy6tx3 f/lu y w,zlfn same materit8 pz+1c .,gix laau4vad0:l sal. One disk has radius R while the other disk has radius 2R. Both disks are rotating about a fixed axis perpendicular to the disk, through its center. Given thaaa+ 8tl xdaz sivul40p,:.g 1ct the disks have equal kinetic energy, what is the ratio of the angular momentum of the disks $\frac{L_{2R}}{L_R}$
A. 16
B. 8
C. 4
D. 2
E. 1
参考答案: C
本题详细解析:
暂无
|