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
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[单选题]
The driver of a motorboat that cjk:2spr)no2zxy2j q0 an move at 10 m/s in stillpfbmiqpk/ 39ik k0/r-0ext.bj6q+ p s water wishes to travel directly across a river 1.6 km wide q. b mi0-//60frep kkpxtij s +b39kpqin which the current flows at 5.0 m/s. How long will it take to cross the river?
A. $2.186 \; min$
B. $2.525 \; min$
C. $3.08 \; min$
D. $3.88 \; min$
参考答案: C
本题详细解析:
暂无
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