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 storg7k l:) ww)miq/ 3rg7 ,vldprxm, bales of hay had to be d7;ihx 0voxlv6.)u mcr ropped from an airplane to a herd of cattle below. Assume the airplane flew horizontally at an altitude vlx;r0x 7 vo6imu c).hof 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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