Physics Unit6: Work and Energy (id: f57b8252c)

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 acorn falls from a tree. Compare its kinetic enh./rz/h nc+dgergy K, to its pote*relos1ru4qrz+ un 3uwij( wq (k53v(ntial energy q rjl(i(1s43rn (u+r3eu kwzwqo * 5vuU.

A. K increases and U decreases.
B. K decreases and U decreases.
C. K increases and U increases.
D. K decreases and U increases.


参考答案:  A


本题详细解析: 暂无

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