![subject](/tpl/images/cats/fizika.png)
Physics, 28.06.2020 01:01 aprilkenedy12
the temperature of a heat engine is 500k. some of the heat generated by the engine flows to the surroundings which are at a temperature of 125k. the efficiency of the engine is __ %
![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)
Physics, 21.06.2019 23:00
Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:30
True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 18:30
Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 00:00
Which is an advantage of subdividing science into different areas?
Answers: 3
You know the right answer?
the temperature of a heat engine is 500k. some of the heat generated by the engine flows to the surr...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 06:00
![question](/tpl/images/cats/istoriya.png)
History, 22.10.2019 06:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.10.2019 06:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.10.2019 06:00
![question](/tpl/images/cats/fizika.png)
Physics, 22.10.2019 06:00
![question](/tpl/images/cats/istoriya.png)
History, 22.10.2019 06:00
![question](/tpl/images/cats/fizika.png)
Physics, 22.10.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 06:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 06:00
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 06:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 06:00
![question](/tpl/images/cats/en.png)
English, 22.10.2019 06:00