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 rec e79i;pizxv 8n(j 2utz ox56xaord by spinning at a constant rate of 4. mc5(phms/1is7w jel5 rev/min. What is the average angular acceleration of the h wle/pis7js( c5m1m.record to reach this final angular speed, having started from 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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