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]
An adjustable rectangular frame has length 12 cm and ju-d31wzux7iy p,cu9i+ s/,bs2syar.rm b,g width 5 cm, andog3eumcv;53vq 2 g1uy (g ;kdh is built in such a way that one of the longer sides can be moved without bursting v(ug;1 uvoegh;5m2 gy3 d3kcq the soap film contained in the frame. Soapy water has surface tension 0.026 N/m. How much work is 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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