本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理
[单选题]
An object is released from rest a .c d6 :7acsfeb7v/eagfs 8z 2gheight h above the ground.8ig1 f gutofr.q897 nl m1fejmns616l A second object with four times ru1eg8g1nm. 7 fllimf6 q98notj1f6s the mass of the first if released from the same height. The potential energy of the second object compared to the first is
A. one-fourth as much.
B. one-half as much.
C. twice as much.
D. four times as much.
参考答案: D
本题详细解析:
暂无
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