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]
The driver of a motorboat that can move rsk) (cvpull.o1 x;5d+2 ulxiat 10 m/s in snr.fyhn:h7k vbt6u ra( k5,(ltill water wishes to travel directly across a narrow strait in which the current flows at 5.0 m/s. At what fvlkby,kr5an ( 7h hrtn:6 (u.angle upstream should the driver head the boat?
A. $27^{\circ}$
B. $30^{\circ}$
C. $60^{\circ}$
D. $63^{\circ}$
参考答案: B
本题详细解析:
暂无
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