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 traveling to theh+)swrpd , *vgp(qc (rhpn2gksnbvr6d8 i 5:; East (+x dire9:.2fzhmoh /r2 . p o0vzuzwcyction) begins to slow down as it approaches a traffic light. Make a star:h92 o f.yo.m2/v pc uzzwzh0tement 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
| 
