catlovingenius catlovingenius

02-02-2018
Physics

contestada

Help!! Please!!

Will mark brainliest!! In a heat engine, if 700 J of heat enters the system, and the piston does 400 J of work, what is the final internal (thermal) energy of the system if the initial energy is 1,200 J?

1,500 J

900 J

1,100 J

300 J

Please explain your answer.

Respuesta :

vfred062003 vfred062003

18-06-2018

the answer is 1,500 & 1,700

Answer Link

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