[单选题]
Suppose a ball is thrown straight up. Make a7fz1ewca c7f8 statem6 b:f03epb9sai jb7atent about the velocity and the acceleraj:e70fbbpas93i t b6a tion when the ball reaches the highest point.
A. Both its velocity and its acceleration are zero.
B. Its velocity is zero and its acceleration is not zero.
C. Its velocity is not zero and its acceleration is zero.
D. Neither its velocity nor its acceleration is zero.
参考答案: B
本题详细解析:
暂无
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