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 rectang3xhum 86z.prwular frame h,:r m3cg3kiftemckw2p6ty 25as length 12 cm and width 5 cm, and is built in such a way that one of the longer sides can be moved without bursting the sciekt3t m,3w5 pyrc:fmg2 6k2oap 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
| 
