[单选题]
Suppose that a car traveling to the East ;9pceshnx -r3 (+x direction) begins to slofk7 42ly, hwaow down as it approaches a traffic light. Make a stat2o hwl,74ay fkement 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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