rubyvazquez314 rubyvazquez314

10-07-2016
Physics

contestada

What is the change in internal energy if 60 J of heat are released from a system and 20 J of work is done on the system Use U = Q - W.
A. -40 J
B. 40 J
C. -80 J
D. 80 J

Respuesta :

kmwtulich kmwtulich

23-04-2019

Answer:-40

Explanation:

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