本题目来源于试卷: Physics Unit10: Fluids Related Topics，类别为 国际高中通用物理
[单选题]
An adjustable rectangular frameq7q7kk5.:q ukrb4 nxx has length 12 cm and width 5 3h2sa*mj zf *umh3dw-*xwff9cm, and is built in such a way that one of the longer sides can be moved without bursting the soap film contained in the frame. Soapy water has surface tension 0.026 N/m. How much work is f3s m3f xfhjwd- mwuz *2*h9a*required to move the adjustable long side so that the frame is 12 cm square?
A. $2.2 \times 10^{-4} \; J$
B. $4.4 \times 10^{-4} \; J$
C. $2.2 \; J$
D. $4.4 \; J$
参考答案: B
本题详细解析:
暂无
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