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]
Suppose that a car trave bm;ig75w2qleling to the East (+x direction) begins to slow down as i m7egqw;b2i5 lv,ve 3n0;m8q ,c ot o7qicgg2ot appr 27; togg0vm,,qe8o nicvcoq3oaches a traffic light. Make a statement concerning its acceleration.
A. The car is decelerating, and its acceleration is positive.
B. The car is decelerating, and its acceleration is negative.
C. The acceleration is zero.
D. A statement cannot be made using the information given.
参考答案: B
本题详细解析:
暂无
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