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]
A large metal cylindric 3ieix(wo4k*z.bucfs 8 d *+qmal cup floats in a rectangular t og:cm87 ni .)6dd0 eikb/mm p-p-rvdvub half-filled with water. The tap is placed over the cup and turned on, releasing water at a constant ra 8mim -r v/ob) dm.:vp07dgdnipk6-c ete. Eventually the cup sinks to the bottom and is completely submerged. Which of the following five graphs could represent the water level in the sink as a function of time?
A.
B.
C.
D.
E.
参考答案: A
本题详细解析:
暂无
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