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 du6: .thm rk tkt29lzi3ropped from the top of a building strikes thezwf me7dx1m. f-,v97kov +iuv ground with a speed of 30 m/s. Amd 9-1ff +zv oe7w7.xv, uivmkssume air resistance can be ignored. The height of the building is approximately:

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

微信扫一扫，分享更方便