![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 02:40
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22Β°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 05:30
The reason a penny thrown straight up inside a bus will come back to your hand is that you,the bus,the air inside the bus, and the penny are all moving at the same velocity. true or false
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 08:30
Hi , i am new here can anyone me out with this question why is space black after having so many shining objects like sun , moon , stars
Answers: 3
You know the right answer?
What is the system that pumps blood throughout the body...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 26.04.2020 05:47
![question](/tpl/images/cats/istoriya.png)
History, 26.04.2020 05:47
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/es.png)
Spanish, 26.04.2020 05:48
![question](/tpl/images/cats/mat.png)
Mathematics, 26.04.2020 05:48
![question](/tpl/images/cats/biologiya.png)
Biology, 26.04.2020 05:48
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 26.04.2020 05:48
![question](/tpl/images/cats/pravo.png)
Law, 26.04.2020 05:48
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.04.2020 05:48
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/fizika.png)
Physics, 26.04.2020 05:49
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mkx.png)
Arts, 26.04.2020 05:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)