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]
96.17: A ball which is dropped from the top of a builz5t b+ lnt8li(:qo cw6ding strikes the grn5 nw2uci7k1 /(jtk u -xxaqm.ound with a speed of 30 m/s. Assume air resistance can be ignored. The height of the building is approximat(jnu2nu 7qxk5 mwtc- x 1k.ia/ely:

A. 15 m
B. 30 m
C. 45 m
D. 75 m
E. 90 m


参考答案:  C


本题详细解析: 暂无

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