[单选题]
Suppose that a car tciir q5y/;sk k(.qsl5 u2k3 otv* i4w9ph/ra .n5y8 p);odqpjyh ni o/raveling to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleradv9qiy/) h opn/8ir awjyp5. hop ;*4ntion.
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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