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 releasear4q.n+ra9 c w t/1nlhd fr0fu frt -y2- dcnp7kv/om rest a height h above the ground. A second object with four times the mass of the first if released from t2un0f cftryvk 7/p-d-he 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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