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]
15.06: A car travels at 20.0 miles/hr. Which one of the following chx-np ai2-z7eb oicee. y2a m opg;yeve):sa7 j*, gj22rzrfs best represents the speed of 2a z*js:,2e.r gegjvof) y;7ya r2pmethe car in SI units of m/s?

A. 533 m/s
B. 45.0 m/s
C. 20.0 m/s
D. 8.9 m/s
E. 0.75 m/s


参考答案:  D


本题详细解析: 暂无

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