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 height h above the ground fo ;lxmcfj5kb1vklls *;pbdt7;.e1 1. A second obar)dzl7vq kp 8gt,b p0i p;/w+ject with four times the mar7ib);8pgd /zkpva wt +,lq0pss 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
| 
