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]
98.40: Coin I is thrownsolpi8 d txlg i+ i85f078;qhi upward frg.k*8 uxsqgq2 om the top of a 100-m tower with a speed of 15 m/s. Coin II is dropped (zero in2q s8ukg. x*qgitial speed) from the top of the tower 2.0 s later. Assume g is $10 \; m/s^2$. How far below the top of the tower does coin I pass coin II?
A. 1.6 m
B. 16 m
C. 20 m
D. 80 m
E. 96 m
参考答案: C
本题详细解析:
暂无
|