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 traveling to the East (+x dir lcz+.;,w/ +t(z*cpyqv wwfoalue h)(ection) begins to slow do+:a:r0gr .ti wtxv9zbwn as it approaches a traffic light. Make a statement concerning z:w.9 x :rt0 +ibvrgtaits 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:
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