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 dt w62z8n awwfa9,wy5of air resistance, if an object were to fall freely t7vfz)2 rhkotg gts+k2 4m-l4 near the surface of gt2s- )vkf742hotk t4gl+ rmzthe 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:
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