Physics Unit3: Kiematics Motion in Two Dimension & Vectors (id: 0841776bd)

本题目来源于试卷: Physics Unit3: Kiematics Motion in Two Dimension & Vectors，类别为 通用国际物理

[单选题]
A swimmer heading directly acrosg3cu a dgqktne.xg;p3 1b3 4v8s a river 200 ccu.o v+cekuix*k569u*soq9 :gee3 o m wide reaches the opposite bank in 6 min 40 s. She isuu.v3x*ue*9 eiecoco q 6k s5g:cok9+ swept downstream 480 m. What is the speed of the current?

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


参考答案:  B


本题详细解析: 暂无

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