Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & History

本题目来源于试卷: Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & History，类别为 美国物理杯赛(Physics Bowl)

[单选题]
99.06: An airplane with air speed 120 km/h is heading due norw3 wbo7z+2hfz th ik5vt2( vf1gc qn a wind blowing due east at 50 km/h. What is t1 qc5f(kv 2vtghe ground speed of the plane?

A. 60 km/h
B. 120 km/h
C. 130 km/h
D. 140 km/h
E. None of these


参考答案:  C


本题详细解析: 暂无

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