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 the air and gives it kine9i 5v*9ccp)n vy.wninv1n3m mtic energy. An hour aft8(r0(twd0o gg-z aqw qer the fan has been turned off,-a0z q rgo wgw80q((dt
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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