本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 国际高中通用物理
[单选题]
Suppose that a car t m ,tbgax7(ix x(mt+4bravelinmg z5ls.s:jc:cf 4 f-gg to the East (+x direction) begins to slow down as it approalgc: 5zf4smcfs.:g - jches 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
| 
