Physics Unit3: Kiematics Motion in Two Dimension & Vectors (id: dcaadad1c)

本题目来源于试卷: Physics Unit3: Kiematics Motion in Two Dimension & Vectors，类别为 国际高中通用物理

[单选题]
A swimmer heading direca tu 8i.xr ;k/cd rqf(0(p8lortlyhfqnu/r7)9f u across a river 200 m wide reaches the opposite bank in 6 min 40 s. She is swept downstream 480 m. How fast/unu 7hf)r9q f can she swim in still water?

A. 0.50 m/s
B. 1.2 m/s
C. 1.4 m/s
D. 1.8 m/s


参考答案:  A


本题详细解析: 暂无

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