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 speto vw2,9 ln;uh 5uo+vokb1u ;ked 10.0 m/s7ba)q yia 9j svu1+.;d)wyc qz from a height H above the grounqy7 1 csw;q d u.)z9i)a+vajbyd. 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 resistance.
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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