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]
96.09: When a falling object reacvmzy n5cy716zm2) b(q7nnsi efl7 v.mx8(a+tzi6q2 y5za mgthes terminal velocity, it:
A. is no longer subject to the friction of air.
B. moves downward with constant velocity.
C. has an acceleration of approximately $10\;m/s^{2}$
D. has no downward velocity.
E. has an upward acceleration.
参考答案: B
本题详细解析:
暂无
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