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 uzm .rng72q-s +6mg tar/vor0with 9- cc,r0ic :hyaug c9 8xljln(ym 8fb-speed 10.0 m/s from a height H above the ground. The object reaches the ground with a speed of 20.0 m/s. Which one of the alc9xlc9 0( gf im 8yh-ybcnjc,-8 r:ufollowing 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
| 
