Physics Unit2: Kinematics One Dimensional Motion (id: 15939e7dc)

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 a ball is thrown downward in the absence of air rcta4y ;/m2g7zp vh u9xesistance. Make a sta ln,5rs*o0wv+l xh+mttement c5om+0*s,hwl rvtx nl+ oncerning its acceleration.

A. Its acceleration is constantly increasing.
B. Its acceleration is constant.
C. Its acceleration is constantly decreasing.
D. Its acceleration is zero.


参考答案:  B


本题详细解析: 暂无

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