Physics Bowl by Topic 3: Kinematics - part II Uniformly Accelerated Motion (id:

本题目来源于试卷: Physics Bowl by Topic 3: Kinematics - part II Uniformly Accelerated Motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
98.15: A freely fallings3h.b-ljykk kw j2(xn -cn-+o vjg6lo-h)g ku3:i th ,object is found to be moving downward at 18 m/s. If it conv3 h:i-lt kghgo,j)6utinues to fall, two seconds later the object would be moving with a speed of

A. 8.0 m/s
B. 10 m/s
C. 18 m/s
D. 38 m/s
E. 180 m/s


参考答案:  D


本题详细解析: 暂无

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