本题目来源于试卷: Rotational basic parameter，类别为 美国物理杯赛(Physics Bowl)
[单选题]
05.32: A turntable pla/b gegwq puykt 2fg:9*e) 3e9oys a record by spinnin pxu8/2xu qw(kg at a constant rate of 45 rev/min. What is the average angular acceleration of the record to reach this final angular speed, having started w/2u x(xuk8q pfrom rest, if it takes 8 seconds to do so? All answers are in units of rad/s2.
A. 337.5
B. 35.34
C. 5.625
D. 0.5890
E. 0.09375
参考答案: D
本题详细解析:
暂无
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