Physics Unit15: Laws of Thermodynamics (id: 50e9a8665)

本题目来源于试卷: Physics Unit15: Laws of Thermodynamics，类别为 国际高中通用物理

[单选题]
A heat engine absorbs 64 kcc7 3u5yz+e+dav q zei6al of heat eayux+ 5f-9zpf; l *tnzuch cycle and exhausts 42 kcal. Calculatpu tz+lf9f*nxu ;5- zye the work done each cycle.

A. $22 \; kcal$
B. $42 \; kcal$
C. $64 \; kcal$
D. $106 \; kcal$


参考答案:  A


本题详细解析: 暂无

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