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 plays a record by spinni7oh15:bfas 5y*c wsezng at a coouil ewtm,tsb4*a126b8- z3rez ;qbonstant rate of 45 rev/min. What is the average angular acceleration of the record to reach this final angular speed, having started from rest, if it takes2b ;a lw-6ztoo43 1zmbsbqrei 8,eu *t 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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