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 travxqu .-b og uicr:y5;w0eling to the Eaqzx + swej( p x*o,) 1gwoeacd8:1,gmkst (+x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its accele1 eqo1xs(ek,)gxj wa z: ,8wdp+go*cm ration.
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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