本题目来源于试卷: Physics Bowl by Topic 4: Kinematics - part III Projectile Motion,类别为 美国物理杯赛(Physics Bowl)
[单选题]
00.38: During a recent winter storm, bales of hay had to be droppedz v texs4+s; nt t o9j.g)gl/0c;v0cnv from an airlix yk8t;6yeh g/*:as 60gj akplane to a herd of cattle below. Assume the airplane flew *6/yx;lsayak it:hgk 0eg j68horizontally at an altitude of 180 m with a constant velocity of 50 m/s and dropped one bail of hay every two seconds. It is reasonable to assume that air resistance will be negligible for this situation. About how far apart from each other will the bales land on the ground?
A. 9000 m
B. 300 m
C. 180 m
D. 100 m
E. 50 m
参考答案: D
本题详细解析:
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