Physics, 22.01.2021 22:10, deziraynacole1960
In a heat engine, if 500 J of heat enters the system, and the piston does 300 J of work.
What is the final internal (thermal) energy of the system if the initial energy is 1,500 J?
200 J
800 J
1,300 J
1,700 J
Answers: 1
Physics, 22.06.2019 17:50, manou76
Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
Answers: 1
In a heat engine, if 500 J of heat enters the system, and the piston does 300 J of work.
What is th...
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