本题目来源于试卷: Physics Unit10: Fluids Related Topics，类别为 通用国际物理
[单选题]
A piece of wood is floating in a bathtub. Av6wt ag:)np7 r second piece of wood sits on to dsd(97 u:hcolp of the first piece, and does not touch the water. If the top piece is taken off and placed in ud:o9hd7 l(cs the water, what happens to the water level in the tub?
A. It goes up.
B. It goes down.
C. It does not change.
D. cannot be determined from the information given
参考答案: C
本题详细解析:
暂无
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