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]
12.26: An object is thrown horizontally with speed fp6 37 h fc)dghx4gv 2)cg(tv-p unjj210.0 m/s from a he20/p1/;y*nz eiwmerytmn:f e ight H above the ground. The object reaches the ground with a speed of 20.0 m/s. Which one of the following choices best represents the time of the object’s flight to the ground? Ignore air resiseftyizer* mne0y m/n1w; p/:2tance.
A. 1.00 s
B. 1.22 s
C. 1.41 s
D. 1.50 s
E. 1.73 s
参考答案: E
本题详细解析:
暂无
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