Physics Unit2: Kinematics One Dimensional Motion (id: 8bd9c0d45)

本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 通用国际物理

[单选题]
A car traveling 60 km/cpgkt/0l2 js, bh 5y2rh t)pbd46u vjg2k3u5i b accelerates at the rate of $2.0 \; m/s^2$. How much time is required for the car to reach a speed of 90 km/h?

A. $15 \; s$
B. $30 \; s$
C. $45 \; s$
D. $4.2 \; s$


参考答案:  D


本题详细解析: 暂无

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