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 .md (ysfb9d*na.g rr, downward in th p 0)v26ae ibs7fohg,5(;y,+*t hawrrdzle cce absence of air resistance. Make a statement concerning itr+ cc6pwoga7tle0 z,hh2v, ;s*a5ef)by id (rs 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:
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