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 resistance, if an objeceedyd.o:p ,pop ej4y5ioa o51- i(qj,t were to fall freely ne2zjf 9sb o;wr laj1)4ear the surface of thol) fze2j ;w4ajr9b1 se 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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