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]
06.13: A rock is drop ry8nz75:zeik ped from the top of a tall d2jowxz : exq:v,j,;fusc )ihqev,kt . 0b)h2tower. Half a second later another rock, twice as massive as the first, is dropped. Ignoring air rboe2t0;uwzihfjs ,:) .d2c , vkq)e , qhxj:vxesistance,
A. the distance between the rocks increases while both are falling.
B. the acceleration is greater or the more massive rock.
C. the speed of both rocks is constant while they fall.
D. they strike the ground more than half a second apart.
E. they strike the ground with the same kinetic energy.
参考答案: A
本题详细解析:
暂无
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