本题目来源于试卷: Motion with air resistance，类别为 美国物理杯赛(Physics Bowl)
[单选题]
99.07: In the absence of air ;hrtgsl fdr7azvt/- 77i.u4sresistance, if an object were to fall freely nea,u n/0rla1fv wr the surface of the1w l/af0u,n rv Moon,
A. its velocity could never exceed 10 m/s.
B. its acceleration would gradually decrease until the object moves with a terminal velocity.
C. the acceleration is constant.
D. it will fall with a constant speed.
E. the acceleration is zero.
参考答案: C
本题详细解析:
暂无
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