本题目来源于试卷: Physics Unit6: Work and Energy,类别为 通用国际物理
[单选题]
Compared to yesterday, ydp l2nuw+ijbbz** a *0 q1nr1cou,pe0ux ,g/.vbx:j iuh did 3 times the work in one-third the time. To do so, your power outputb.pu ,egvxxi0 jh u:,/ must have been
A. the same as yesterday's power output.
B. one-third of yesterday's power output.
C. 3 times yesterday's power output.
D. 9 times yesterday's power output.
参考答案: D
本题详细解析:
暂无
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