本题目来源于试卷: 2011 美国F=ma物理竞赛 F=ma physics competition,类别为 美国物理杯赛(Physics Bowl)
[单选题]
This graph depicts the t mxfuk7 * 3kky2orque output of a hy 4c o6lau9b: rcpothetical gasoline engine as a function of rotat a c9olu:rc6b4 ion frequency. The engine is incapable of running outside of the graphed range.
At what engine RPM (revolutions per minute) does the engine produce maximum power?
A. I
B. At some point between I and II
C. II
D. At some point between II and III
E. III
参考答案: A
本题详细解析:
暂无
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