Physics, 29.10.2019 01:31 jordanfwtm
(1) an ideal carnot engine operates between a hot reservoir at 500oc and a cold reservoir at 100oc with a heat input of 250 j per cycle from the hot reservoir.
(a) what is the efficiency of the carnot engine?
(b) how much heat is delivered to the cold reservoir in each cycle?
(c) what is the change in entropy of the hot reservoir?
(d) what is the change in entropy of the cold reservoir?
(e) what minimum number of cycles is necessary for the engine to lift a 500 kg container of water through a height of 100 m?
Answers: 2
Physics, 22.06.2019 04:00
Simple machines can a. increase force only b. decrease force only c. increase or decrease force
Answers: 3
Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Physics, 22.06.2019 14:30
Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
Answers: 1
Physics, 22.06.2019 20:40
Newtons view of arrangement of the universe. don't copy from anywhere.
Answers: 3
(1) an ideal carnot engine operates between a hot reservoir at 500oc and a cold reservoir at 100oc w...
Mathematics, 01.09.2019 17:10
Business, 01.09.2019 17:10
Mathematics, 01.09.2019 17:10
Mathematics, 01.09.2019 17:10
Health, 01.09.2019 17:10
Mathematics, 01.09.2019 17:10
Geography, 01.09.2019 17:10
History, 01.09.2019 17:10
English, 01.09.2019 17:10
Physics, 01.09.2019 17:10