![Physics](/tpl/images/cats/fizika.png)
Physics, 12.12.2019 07:31, Areyano8299
What is the efficiency of an engine that does 576 j of work and exhausts 144 j of heat while taking in 720 j of heat?
a. 80%
b. 10%
c. 25%
d. 20%
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:00, tamyahamlin02p6b7yt
Determine the maximum r-value of the polar equation r =3+3 cos 0
Answers: 3
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:50, kaylallangari2145
Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
Answers: 2
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:30, breannaasmith1122
If anyone who can me with this hw? i would really appreciate it
Answers: 2
Do you know the correct answer?
What is the efficiency of an engine that does 576 j of work and exhausts 144 j of heat while taking...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 21.07.2019 17:30
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 21.07.2019 17:30
![Konu](/tpl/images/cats/en.png)
English, 21.07.2019 17:30
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/en.png)