Physics Unit2: Kinematics One Dimensional Motion (id: 5db7fa704)

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 travels at 15 m/s for 10m cz(qb) p,g4:-yxjzon1ms 7 o s. It then speeds up with a constant accelerati xt4d s*qc um4t;7+akton o kc4+t4qtdaxt 7ums;*f $2.0 \; m/s^2$ for 15 s. At the end of this time, what is its velocity?

A. 15 m/s
B. 30 m/s
C. 45 m/s
D. 375 m/s


参考答案:  C


本题详细解析: 暂无

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