本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)
[单选题]
03.14: A fan blows t;/vu+ a dui3eehe air and jk/j0 a5ki(pl gives it kinetic energy. An hour after the fan has been turk/ jl5 pi(ajk0ned off,
what has happened to the kinetic energy of the air?
A. it disappears
B. it turns into potential energy
C. it turns into thermal energy
D. it turns into sound energy
E. it turns into electrical energy
参考答案: C
本题详细解析:
暂无
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